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Fortis Steel 42mm Automatic 638.10.11M.BI new
TOP
Fortis B-42 Officail Cosmonauts Chronograph 50 pieces Limited...
Php164,719
Free shipping
Professional dealer
165
JP
Fortis Steel 42mm Automatic F2020008 new
Fortis B-42 Official Cosmonauts Day/Date
Php107,507
Free shipping
Professional dealer
632
DE
Fortis Steel 44mm Automatic 647.10.11M new
Fortis Official Cosmonauts Day-Date - Edelstahl - Armband...
Php107,507
Professional dealer
1944
DE
Fortis Steel 42mm Automatic 635.10.12 pre-owned
Fortis B-42 Flieger Chronograph Ref. 635.10.12 von 2002
Php102,071
Professional dealer
346
DE
Fortis Steel 40,5mm Automatic 595.10.46.1 pre-owned
Fortis Flieger
Php45,298
Professional dealer
410
DE
Fortis Steel 42mm Automatic 638.10.11 M new
Fortis B-42 Official Cosmonauts
Php192,667
Professional dealer
447
DE
Fortis Steel 42mm Automatic 638.28.141 pre-owned
Fortis B-42 Official Cosmonauts Chronograph Day Date FULL SET
Php114,452
Professional dealer
810
ES
Fortis Steel 41mm Automatic 904.21.173 pre-owned
Fortis Tycoon Chronograph 904.21.173
Php121,109
Professional dealer
113
UK
Fortis Steel 41mm Automatic 904.21.41 L.01 new
Fortis PILOT CLASSIC CHRONOGRAPH 904.21.41 L.01
Php113,909
Professional dealer
5
PL
Fortis Steel 42mm Automatic 647.10.11M.BI new
TOP
Fortis B-42 Official Cosmonauts DAY-DATE 50 pieces Limited...
Php100,662
Free shipping
Professional dealer
165
JP
Fortis Titanium 43mm Automatic F4260000 new
Fortis Flieger F-43 Triple GMT NEU
Php271,787
Free shipping
Professional dealer
632
DE
Fortis Steel 41mm Automatic 422.0009 new
Fortis Flieger F-41 - Edelstahl - Armband Leder - 41mm - Neu
Php117,774
Professional dealer
1944
DE
Fortis Steel 39mm Automatic F4220011 new
Fortis Flieger F-39 Midnight Blue
Php109,258
Professional dealer
2039
DE
Fortis Steel 40mm Automatic 597.22.141.21 pre-owned
Fortis Flieger Professional Ducati Corse Chronograph Limited...
Php67,535
Professional dealer
281
US
Fortis Steel 40mm Automatic F8120005 new
Fortis Marinemaster M-40 Rockstone Grey on Horizon Strap
Php178,171
Professional dealer
447
DE
Fortis Steel 44mm Automatic 647.11.42. pre-owned
Fortis B 42 Automatic Day/Date
Php69,457
Professional dealer
1155
DE
Fortis Steel 39mm Automatic 4.070.0.0.81 pre-owned
Fortis Andora in Space Limited Day Date Chronograph Stratoline...
Php241,528
Professional dealer
992
DE
Fortis Steel 40mm Automatic 704.21.18L.01 new
Fortis COCPIT ONE 704.21.18L.01
Php60,337
Professional dealer
5
PL
Fortis Steel 40mm Automatic 901.20.165 pre-owned
Fortis Pilot Classic Date Automatik Stahl Herrenuhr Ref....
Php75,496
Professional dealer
5029
DE
Fortis Steel 39mm Automatic F4220011 new
Fortis Flieger F-39 Midnight Blue
Php123,814
Free shipping
Professional dealer
632
DE
Fortis Steel 40mm Automatic F8120003 new
Fortis Marinemaster M-40 Serenity Blue - Edelstahl - Armband...
Php178,171
Professional dealer
1944
DE
Fortis Steel 42mm Automatic F4020009 new
Fortis Aeromaster Old Radium Day/Date
Php78,516
Professional dealer
2039
DE
Fortis Steel 41mm Automatic F6420011 new
Fortis Terrestis Tycon P.M. Automatik Neu, Full Set UVP 2.140€
Php60,337
Professional dealer
107
DE
Fortis Steel 42mm Automatic 638.18.91 new
Fortis Official Cosmonauts AMADEE-18 Chronograph
Php159,448
Professional dealer
447
DE
Fortis Steel 39mm Automatic 607.22.170 pre-owned
Fortis Chronograph Cosmonauts Alarm
Php271,787
Free shipping
Professional dealer
255
ES
Fortis Titanium 42mm Automatic 655.18.81.L01 pre-owned
Fortis B-42 Limited Day Date Flieger Automatic ETA black Titan...
Php96,575
Professional dealer
992
DE
Fortis Steel 43mm Automatic 705.21.18M new
Fortis COCPIT ONE 705.21.18M
Php114,452
Professional dealer
5
PL
Fortis Steel 42mm Automatic 655.18.95 pre-owned
Fortis Aeromaster Dornier GMT Limited Edition
Php138,913
Professional dealer
410
DE
Fortis Steel 41mm Automatic F.422.0008 new
Fortis Flieger F-41 Automatic Neu
Php144,953
Free shipping
Professional dealer
632
DE
Fortis Steel Automatic F4020008 new
Fortis Aeromaster Steel Day-Date - Edelstahl - Armband...
Php106,299
Professional dealer
1944
DE
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Fortis Watches: At Home Among the Stars

Swiss watch manufacturer Fortis is best known for their space-tested tool watches. They offer high-quality timepieces at fair prices. Top models include the Roscosmos-certified Official Cosmonauts Chronograph.


From Earth to Mars

Founded in Grenchen, Switzerland in 1912, Fortis has been closely associated with space exploration since 1962. It all began when the company supplied astronauts from the Gemini program with their then-new Spacematic. This relationship with space flight continues to this day. One of the most memorable moments came in 1992 when Fortis and cigarette manufacturer West collaborated on the "West in Space" marketing campaign.

Today, Fortis works closely with Russia's Roscosmos State Corporation for Space Activities. This partnership has given birth to the Official-Cosmonauts series, among other achievements. After having passed rigorous testing at the Yuri Gagarin Cosmonaut Training Center, Official Cosmonauts watches are permitted to bear the "Roscosmos" name. The Space collection contains the Classic Cosmonauts, Stratoliner, and Spacematic lines.

Despite initial impressions, Fortis doesn't spend all their time reaching for the stars. The manufacturer introduced their very first pilot's watch, the Jubilee, in 1952. Fortis still produces pilot's watches in their Sky collection. Both the Aeromaster and Pilot Classic models enjoy widespread popularity.

Fortis sources their calibers from Swiss movement manufacturer ETA. They then modify the movements in-house and assign them new names. Select calibers, such as the F-2012, come with chronometer certification from the Official Swiss Chronometer Testing Institute (COSC).

Reasons to Buy a Fortis Watch

  • A storied Swiss brand founded in 1912
  • High quality at a fair price
  • Space-tested models for Roscosmos
  • Functional tool watches

Prices for Fortis Watches

Model/Reference Price (approx.) Feature(s)
B-42 Official Cosmonauts Chronograph, 638.10.11 3,200 USD Black dial, day-date display
Classic Chronograph, 401.26.11 3,000 USD Ceramic bezel, day-date display
B-42 Black Chronograph, 638.28.71 2,600 USD Black PVD-coated titanium case and bracelet
Flieger Chronograph, 597.11.11 2,100 USD Black dial, stainless steel bracelet, day-date display
B42-Official Cosmonauts, 647.10.11 1,800 USD Diving bezel, stainless steel bracelet, day-date display
B-42 Black Mars 500, 647.28.13 l.13 1,800 USD Black PVD-coated titanium case, orange numerals and hands
Marinemaster, 670.10.41 1,300 USD Diving bezel, rubber strap, day-date display

Fortis Official Cosmonauts: For Life in Space

Perhaps the most famous watch in Fortis' entire catalog is the Official Cosmonauts Chronograph. The first model (ref. 630.22.141) debuted in 1994. After surviving a gauntlet of tests at the Yuri Gagarin Cosmonaut Training Center, it would go on to accompany cosmonauts on their missions to the MIR space station and ISS until the year 2003. However, it wasn't just Russian cosmonauts who relied on this robust timepiece. Legendary German astronaut Ulf Merbold also counted on this reliable Swiss timekeeper. Fortis ceased production of this specific reference in 2003.

Fortis outfitted this space chronograph with the beloved automatic Lemania chronograph caliber 5100. This movement has central hour, minute, and chronograph seconds hands. There's also a day-date display at 3, 12-hour counter at 6, small seconds at 9, and 30-minute counter at 12 o'clock. Tritium Arabic numerals complete the black dial.

The stainless steel case measures a moderate 38 mm in diameter. Its stationary bezel features a tachymeter scale for calculating speed and distance. A unique feature of this timepiece is its screw-down pushers, which allow the chronograph to function underwater. Listings for this watch regularly pop up on Chrono24. Depending on the condition and delivery contents, the Official Cosmonauts Chronograph demands anywhere from 1,200 to 2,200 USD.

The Successor: B-42 Official Cosmonauts Chronograph

Fortis introduced the Official Cosmonauts Chronograph's successor, the ref. 638.10.11, in 2003. Instead of the Lemania 5100, this model uses the proven Fortis UW-50 – a modified version of the ETA 7750. You can still find this watch making trips to the ISS to this day. Its "B-42" affix indicates that this is a 42-mm "Beobachtungsuhr" (German for navigation watch). Thanks to its larger size, this chronograph is easier to operate and offers improved dial readability.

Instead of a tachymeter scale, this watch features a countdown bezel with a 60-minute graduation. This enables spacefarers to easily set and keep track of the time on any extravehicular activities (EVAs). Another improvement is the SuperLuminova-filled dot on the chronograph seconds hand, guaranteeing readability even under poor lighting conditions. The final watch is water-resistant to 200 m (20 bar, 656 ft) and comes on a stainless steel bracelet.

You can find mint-condition models on Chrono24 for around 3,100 USD. Pre-owned, the B-42 costs significantly less at about 2,200 USD.

Official Cosmonauts AMADEE-18

Fortis partnered with the Austrian Space Forum (OeWF) to create the Official Cosmonauts AMADEE-18 ref. 638.18.91. The OeWF's main focus is researching potential manned missions to Mars. This includes conducting simulations here on Earth. Fortis is the program's official watch supplier, equipping each astronaut with a timepiece for their earthbound experiments. Crew members first wore the ref. 638.18.91 during the Austrian Space Forum's 2018 Oman expedition.

The AMADEE is very similar to the standard edition. Design differences include its black PVD-coated case and matching black textile strap. It also has a special small seconds dial at 9 o'clock, which is decorated with the red and orange hues of sunrises and sunsets on Mars and Earth. The words "Mars Mission Simulation Sultanate of Oman AMADEE-18" also surround the small seconds. This watch is still extremely rare and has a list price of 3,290 CHF (approx. 3,400 USD).

If you prefer three-hand watches, you may enjoy the Official Cosmonauts Day-Date ref. 647.10.11. Its size and materials are identical to those of the B-42 chronograph; however, its power comes from the caliber UW-31, a movement based on the ETA 2836-2. This model features central hour, minute, and second hands, as well as a day-date display at 3 o'clock. You can purchase a mint-condition watch for about 1,300 USD, while pre-owned pieces demand around 860 USD on Chrono24.


Classic Cosmonauts: Elegant Tool Watches

The Classic Cosmonauts sits at the intersection of elegance and functionality. You can choose from among three options: the Steel A.M., Steel LE, and Steel P.M. They all share a 42-mm stainless steel case, a stainless steel bracelet with polished middle links, a tachymeter bezel, and the ETA 7750-based UW-50 caliber. The movement has central hands for the hours, minutes, and chronograph seconds. It also comes with three subdials at 6, 9, and 12 o'clock, as well as a day-date display at 3.

Each Classic Cosmonauts is also water-resistant to 200 m (20 bar, 656 ft) and features Arabic numerals and screw-down chronograph pushers. The most noticeable differences are the dial and subdial colors: The A.M. has a silver dial and subdials, the P.M. a black dial and subdials, and the LE a white dial and black subdials.

The LE bears the reference number 401.21.72 and is limited to a run of 100 pieces. You can purchase this watch for as little as 3,100 USD new and around 2,500 USD pre-owned. The refs. 401.21.12 (A.M.) and 401.21.11 (P.M.) sell for similar prices. Fortis lists both of the standard editions for 3,690 CHF (approx. 3,800 USD).


Stratoliner Ceramic: Beyond the Stratosphere

The Stratoliner series is home to three models, each pairing the UW-50 caliber with a slightly different design. All three have a 42-mm stainless steel case, stationary ceramic bezel with a tachymeter scale, 100 m (10 bar, 328 ft) of water resistance, and a sapphire crystal case back. Black textile straps hold these timepieces securely on the wrist.

The only difference between these models is their dial colors, which come in white, gray, or black. The color of the SuperLuminova applied to the hands and indices also varies, with beige used on the black and white editions and gray on the gray version. All three models have a red chronograph seconds hand. The Stratoliner ref. 401.26.31 has a black dial and costs roughly 3,100 USD new. Fortis lists the same watch for 3,260 CHF (approx, 3,400 USD). The refs. 401.26.32 (white) and 401.26.37 (gray) demand similar prices.


Aeromaster: Looking Skyward

The Aeromaster series contains a selection of chronographs and three-hand watches. The Aeromaster Stealth Day-Date ref. 655.18.18 belongs to the latter group. Its stainless steel case and textile strap are both black, as is the dial. Beige SuperLuminova fills the indices and hands, offering a nice contrast. The PVD-coated case measures 42 mm in diameter and is water-resistant to 200 m (20 bar, 656 ft).

The automatic caliber UW-31 powers this timepiece. This movement is based on the ETA 2824-2 and features a day-date display at 3 o'clock in addition to its central trio of hands. Fully wound, the UW-31 has a 42-hour power reserve. While this model has a list price of 1,860 CHF (approx. 1,900 USD), you can purchase a mint-condition timepiece on Chrono24 for as little as 1,000 USD.

Other Aeromaster models feature a chronograph function or blue dial. Limited to a run of 300 pieces, the Aeromaster Steel Alarm Chronograph "Paul Gerber" also boasts an alarm function. This timepiece has a list price of 7,450 CHF (approx. 7,700 USD). Listings for this model are few and far between on Chrono24, so keep your eyes peeled. This is also true of the black PVD-coated ref. 657.18.11. Fortis has limited this timepiece's production run to 500 pieces and lists it for 7,850 CHF (approx. 8,100 USD).


Marinemaster: Robust Diving Watches

Like the Aeromaster series, the Marinemaster line is also made up of chronographs and three-hand watches; however, these timepieces are built for life beneath the waves. Each has a 42-mm stainless steel case, which grows to a massive 46 mm with the bezel. Marinemaster watches are all rated to 200 m (20 bar, 656 ft).

The ref. 671.24.12 and 670.24.14 stand out from the crowd with their black and yellow color scheme. There are splashes of yellow everywhere from the bezel's diving scale to the dial's Arabic numerals and the small seconds and subdial hands.

The caliber UW-50 ticks away inside each Marinemaster chronograph. You can purchase a never-worn timepiece on a stainless steel bracelet for about 3,100 USD. This version has an official list price of 3,170 CHF (approx. 3,300 USD). Fortis also offers a Marinemaster chronograph with a gray accents instead of yellow. This version demands roughly 3,600 USD. If you prefer three-hand watches with a day-date function, you should take a closer look at the ref. 670.21.14. The color options, shape, and size all correspond to those of their chronograph sister models. The black and yellow edition costs around 1,700 USD, while the black and gray model changes hands for about 1,500 USD. You will also find three-hand models with blue or red accents.

Marinemaster Silver Chronograph Alarm

In 1997, Fortis teamed up with Swiss watchmaker Paul Gerber to develop the in-house caliber F-2001. What makes this movement truly special is its alarm function. They were able to achieve this by adding a second barrel and a chiming mechanism. The alarm is operated with a pusher at 8 o'clock. This movement appears in the Marinemaster Silver Chronograph Alarm ref. 639.10.41.

Like the other watches in the Marinemaster series, this model features a 42-mm stainless steel case. Beyond the caliber F-2001, the only differences between this watch and other Marinemasters are its color scheme and band. It has orange accents on its dial and is mounted on a matching orange strap. On the other hand, its 60-minute dial is classic black and silver. This timepiece is limited to a run of 300 pieces, making it a fantastic choice for collectors and enthusiasts. While you'd be hard-pressed to find this model on any marketplace, Fortis offers it on their website for 6,840 CHF (approx. 7,000 USD).


Fortis: Refined Swiss Watchmaking Since 1912

Watchmaker Walter Vogt founded Fortis in the Swiss town of Grenchen in 1912. Vogt initially teamed up with John Harwood, the inventor of the first automatic watch movement, and focused on mass producing the Harwood Automatic caliber until 1926. The company was also a trailblazer in the field of watches and water sports, releasing the water-resistant Fortissimo in 1940.

The Marinemaster followed in the early 1950s and remains a cornerstone of the Fortis catalog to this day. If you feel like you've heard that name before, you're right. Fortis and Seiko share the rights to this name after both debuted their first Marinemaster nearly simultaneously. Who actually used the name first is still up for debate.

In the early 1960s, the Space Race was in full swing. Walter's son, Rolf Vogt, seized this opportunity by sending NASA Fortis' first timepiece developed for spaceflight: the Spacematic AR (All Risks).

The first Official Cosmonauts appeared in 1994 and was later replaced by the B-42 Official Cosmonauts Chronograph in 2003 – a model that's still part of every Russian cosmonaut's official equipment. Jupp Philipp took over ownership of Fortis Uhren AG in September 2018 and also serves as CEO.