Buyer Protection Authenticity Guarantee Why Chrono24? The Philippines  | PHP
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Chopard L.U.C Tourbillon Heritage 161911-9001 RRP £152,800 Ltd Ed
TOP
Chopard L.U.C Tourbillon Heritage 161911-9001 RRP £152,800 Ltd Ed
Php 2,650,275
Seller
The Watch Directory
39
UK
Sinn 103 St Sa RB Classic Watch Sondermodell
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
Php 145,032
Seller
Classic Watch
 
DE
Ulysse Nardin Classico Paul David Nardin
TOP
Ulysse Nardin Classico Paul David Nardin
Php 364,097
Seller
Sense of Time
6
LV
Louis Moinet Memoris Red Eclipse
Louis Moinet Memoris Red Eclipse
Php 5,712,054
BrandBoutique Member
Louis Moinet
Tissot Heritage 160th Navigator Automatic T078.641.16.057.00
Tissot Heritage 160th Navigator Automatic T078.641.16.057.00
Php 78,326
Seller
iHodinarstvi.cz
21
CZ
Baume & Mercier Capeland Flyback Chronograph
Baume & Mercier Capeland Flyback Chronograph
Php 418,711
Seller
Gioielleria Mario Pendezza
18
IT
Rolex Sea-Dweller Deepsea
Rolex Sea-Dweller Deepsea
Php 737,296
Seller
Antwerp Watch Company
 
BE
Rolex Datejust Stainless Steel 69174
Rolex Datejust Stainless Steel 69174
Php 214,335
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
82
UK
Rolex Sea-Dweller
Rolex Sea-Dweller
Php 779,092
Seller
CARR
UK
Hublot 301.AI.460.RX
TOP
Hublot 301.AI.460.RX
Php 521,540
Seller
Deluxe ( Asia ) Ltd
11
HK
Rolex Datejust
Rolex Datejust
Php 479,333
Seller
Juwelier Rubin GbR
 
DE
Omega De Ville Stainless Steel White Automatic 424.10.33.20.05...
TOP
Omega De Ville Stainless Steel White Automatic 424.10.33.20.05...
Php 136,657
Seller
VIP WATCH & JEWELLERY
17
HK
Louis Moinet Memoris
Louis Moinet Memoris
Php 2,850,315
BrandBoutique Member
Louis Moinet
Ball Engineer Hydrocarbon DeepQUEST (full manufacturer warranty)
Ball Engineer Hydrocarbon DeepQUEST (full manufacturer warranty)
Php 173,318
Seller
iHodinarstvi.cz
21
CZ
Rolex Submariner Date Gold/Steel
Rolex Submariner Date Gold/Steel
Php 374,716
Seller
Juwelier Burger, since 2001
438
NL
Rolex Date zaffiro art. Rd358nl
Rolex Date zaffiro art. Rd358nl
Php 169,912
Seller
Stroppiana SRL
222
IT
Rolex Vintage UAE Air Force Pepsi Bezel GMT-Master B&P 1675
Rolex Vintage UAE Air Force Pepsi Bezel GMT-Master B&P 1675
Php 6,464,085
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
82
UK
Rolex Sea-Dweller Deepsea
Rolex Sea-Dweller Deepsea
Php 748,133
Seller
CARR
UK
Montblanc 102345
TOP
Montblanc 102345
Php 455,522
Seller
Deluxe ( Asia ) Ltd
11
HK
Rolex Oyster Datejust Bark Yellow Gold Diamonds 26 mm (Full Set)
Rolex Oyster Datejust Bark Yellow Gold Diamonds 26 mm (Full Set)
Php 515,804
Seller
Kleen Edelmetalen
113
NL
Rolex Sea-Dweller - Triple Six - Full Set
Rolex Sea-Dweller - Triple Six - Full Set
Php 534,009
Seller
PASSIONE VINTAGE
69
IT
Baume & Mercier Classima XL Chronograph Executives
TOP
Baume & Mercier Classima XL Chronograph Executives
Php 78,281
Seller
Private seller
 
DE
Rolex DAYTONA LAST MODEL CERAMIC BEZEL WHITE DIAL
Rolex DAYTONA LAST MODEL CERAMIC BEZEL WHITE DIAL
Php 1,043,744
Seller
SENZATEMPO
40
IT
Rolex Sea-Dweller
Rolex Sea-Dweller
Php 333,755
Seller
Juwelier Burger, since 2001
438
NL
Rolex Explorer II SEL Scat/Gar art. Re782
Rolex Explorer II SEL Scat/Gar art. Re782
Php 273,073
Seller
Stroppiana SRL
222
IT
Rolex Daytona White Gold, 2000(K-Series) Full Diamonds 40MM MINT
Rolex Daytona White Gold, 2000(K-Series) Full Diamonds 40MM MINT
Php 1,243,997
Free shipping
Seller
M.J.WATCHES
49
BE
Omega Seamaster Professional Chronograph 300 m - Automatic -...
Omega Seamaster Professional Chronograph 300 m - Automatic -...
Php 114,690
Seller
wagener-gold International e.K.
754
DE
Bulgari DG42BSCVDCH
TOP
Bulgari DG42BSCVDCH
Php 293,779
Seller
Deluxe ( Asia ) Ltd
11
HK
Rolex Oyster Datejust Turnograph White Gold Bezel Blue Dial 36 mm
Rolex Oyster Datejust Turnograph White Gold Bezel Blue Dial 36 mm
Php 297,346
Seller
Kleen Edelmetalen
113
NL
Rolex Daytona -  Full Set
Rolex Daytona - Full Set
Php 843,491
Seller
PASSIONE VINTAGE
69
IT
Omega Speedmaster 38 Co-Axial Chronograph 38mm
Omega Speedmaster 38 Co-Axial Chronograph 38mm
Php 197,522
Seller
Prestige Luxusuhren GmbH
2444
DE
Rolex S/S Rare Mark I Dial Flat 4 Green Bezel Submariner 16610LV
Rolex S/S Rare Mark I Dial Flat 4 Green Bezel Submariner 16610LV
Php 646,408
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
82
UK
Rolex Seadweller 126600 43MM Ceramic New Model Not in Stores Rare
Rolex Seadweller 126600 43MM Ceramic New Model Not in Stores Rare
Php 876,140
Seller
The Watch Collector NY
 
US
Rolex submariner art. Rb639
Rolex submariner art. Rb639
Php 300,380
Seller
Stroppiana SRL
222
IT
Omega Seamaster Professional Diver 300M
Omega Seamaster Professional Diver 300M
Php 99,520
Seller
Juwelier Burger, since 2001
438
NL
Rolex 116520 Dayt. Stahl Neu B & P mit orig. 116506 Platin...
Rolex 116520 Dayt. Stahl Neu B & P mit orig. 116506 Platin...
Php 1,514,036
Seller
C & F Handelskontor GmbH
 
DE
Corum 895-931-06-0371-AN92
TOP
Corum 895-931-06-0371-AN92
Php 363,097
Seller
Deluxe ( Asia ) Ltd
11
HK
Rolex Oyster Perpetual Submariner 16610 Black PVD
Rolex Oyster Perpetual Submariner 16610 Black PVD
Php 438,147
Seller
Phigora
73
US
Breitling : Navitimer :  A23322 :  Stainless Steel
Breitling : Navitimer : A23322 : Stainless Steel
Php 222,966
Seller
BernardWatch.com
138
US
Omega Seamaster 300 M Chronometer
Omega Seamaster 300 M Chronometer
Php 152,314
Seller
Prestige Luxusuhren GmbH
2444
DE
Omega Aqua Terra 150M Co-Axial Master Chronometer 41mm G
Omega Aqua Terra 150M Co-Axial Master Chronometer 41mm G
Php 235,389
Seller
Plus Watch - Luxury Watches
2177
IT
Rolex 116710LN   GMT Master II Black Index Dial
Rolex 116710LN GMT Master II Black Index Dial
Php 440,998
Seller
K&S Watch & Jewellery
12
HK
Rolex Explorer I scat/gar art. Re345
Rolex Explorer I scat/gar art. Re345
Php 230,595
Seller
Stroppiana SRL
222
IT
Rolex ROLEX DAYTONA  16518 ZENITH ‘LUCKY EIGHT’
Rolex ROLEX DAYTONA 16518 ZENITH ‘LUCKY EIGHT’
Php 825,286
Seller
SENZATEMPO
40
IT
Speake-Marin SERPENT CALENDAR 42 MM
Speake-Marin SERPENT CALENDAR 42 MM
Php 485,462
Free shipping
Seller
RIVIERAWATCH
55
FR
Rolex Yacht-Master II Ref. 116688 neues 2017er Modell aus...
Rolex Yacht-Master II Ref. 116688 neues 2017er Modell aus...
Php 1,960,054
Seller
Uhren2000 GmbH
219
DE
Rolex Oyster Perpetual Day-Date 18K YG 18038
Rolex Oyster Perpetual Day-Date 18K YG 18038
Php 618,582
Seller
Phigora
73
US
Vacheron Constantin Overseas Automatic Chronometer
TOP
Vacheron Constantin Overseas Automatic Chronometer
Php 287,482
Seller
Private seller
 
UK
Rolex Daytona Cosmograph 6263  "BIG RED "aus Sammlung
Rolex Daytona Cosmograph 6263 "BIG RED "aus Sammlung
Php 4,217,454
Seller
C & F Handelskontor GmbH
 
DE
Breitling Navitimer
Breitling Navitimer
Php 200,193
Free shipping
Seller
Uhrencenter Berlin
210
DE
Rolex Datejust II 126334
Rolex Datejust II 126334
Php 500,633
Seller
Mall of the Watch
404
MC
Rolex Seadweller SCAT/GAR art. Rb1172
Rolex Seadweller SCAT/GAR art. Rb1172
Php 354,994
Seller
Stroppiana SRL
222
IT
Rolex Daytona Sel "A Series" ref. 16520
Rolex Daytona Sel "A Series" ref. 16520
Php 1,335,021
Seller
Eorologi
212
IT
Rolex Oyster Perpetual Date - 1501 - aus 1970
Rolex Oyster Perpetual Date - 1501 - aus 1970
Php 102,554
Seller
wagener-gold International e.K.
754
DE
Rolex Day-Date 40 Gelbgold Ref. 228238 Schwarz
Rolex Day-Date 40 Gelbgold Ref. 228238 Schwarz
Php 1,603,239
Seller
Uhren2000 GmbH
219
DE
Rolex COSMOGRAPH DAYTONA EDELSTAHL / GOLD 750 GELBGOLD
Rolex COSMOGRAPH DAYTONA EDELSTAHL / GOLD 750 GELBGOLD
Php 606,221
Free shipping
Seller
Timeless Watches GmbH
105
DE
Omega Speedmaster
Omega Speedmaster
Php 120,759
Seller
Joaillerie Royale
266
BE
Rolex Datejust 41MM Steel Blue Dial 'Fluted Bezel'...
Rolex Datejust 41MM Steel Blue Dial 'Fluted Bezel'...
Php 458,155
Free shipping
Seller
M.J.WATCHES
49
BE
Omega Seamaster Railmaster Big Size
Omega Seamaster Railmaster Big Size
Php 156,562
Seller
Uhrencenter Berlin
210
DE
Rolex GMT Master 1675 "Long E" Mark I" "Pepsi&...
Rolex GMT Master 1675 "Long E" Mark I" "Pepsi&...
Php 779,774
Seller
Le Collection´heure
49
BE

Chronometer - Certified Precision

"Chronometer" may sound like a fancy name for a normal watch - after all, it just comes from the Greek words for "time" and "measure" - but chronometers are really something quite special. Chronometers are watches, yes, but watches that have been tried and tested and certified to meet exacting precision standards. The COSC in Switzerland determines which watches may actually call themselves "chronometers".

The Oceanic Origins of Chronometers

Though the Swiss set the standard, the English coined the word. In the quest to calculate the longitude, the Englishman Jeremy Thacker, a clockmaker of extraordinary skill, created a series of increasingly accurate clocks, well beyond what had had previously been achieved. The clocks were intended to be used aboard ships and had to keep absolutely accurate time in order to allow for calculating longitude precisely, and thus fixing the position of the ship in the vast ocean. The last of Thacker's chronometers was actually more like a very large pocket watch.
Other clockmakers - and increasingly watchmakers - copied from and improved upon Thacker's final chronometer, producing watches of greater and greater precision. The original standards for accuracy were actually far more exacting than those currently maintained by the COSC in Switzerland, so very few watches were certified as chronometers and thus very few were actually produced and sold. The original chronometer requirements for mechanical watches are no longer necessary, since digital watches can already exceed them, but chronometers are still manufactured and sold (and resold) today as examples of extremely fine precision engineering. The use of jewels and precious metals in watches owes its origins to chronometers - these materials were used to make the mechanical movements as precise as possible.

Officially Certified Chronometers

Chronometers are no longer rare. More than a million Officially Certified Chronometer certificates are issued each year. Those watches that pass the most rigorous of the COSG's tests are rewarded with a special serial number and, indeed, the right to call themselves "chronometers" at all. Chronometers must meet several requirements: they must display the seconds; they must be highly precise; they must demonstrate that precision over the course of several consecutive days of testing; they must perform precisely in different positions and at different temperatures.

Chronometers in Everyday Use

This may sound extreme, but such reliability was crucial for individuals and groups that had to rely on the precision of portable mechanical timekeepers in the past. Pilots watches, for instance, needed to perform as chronometers (and those that did not had to be hackable). The famous B-Uhren, commissioned by the German Luftwaffe and manufactured by several companies, were chronometer-certified pilots watches - or chronometers that were used as pilots watches, depending on your perspective. Interestingly, despite the many years between Thacker's invention and the production of the B-Uhren, chronometers were still tightly bound to use in navigation.
First at sea, then in the air. And, still today, at sea again - or at least under it. Some diving watches, like the Rolex submariner, are also certified chronometers. Divers must be able to reliably track how long they've been under and how much time they have to surface.
Though their accuracy may have been eclipsed by digital watches, chronometers are still useful today.