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Ulysse Nardin Perpetual Manufacture
TOP
Ulysse Nardin Perpetual Manufacture
Rs. 1,850,255
Seller
LUXE WARE (HK) LIMITED
43
HK
Rolex Texan Beta 21 Vintage 5100
TOP
Rolex Texan Beta 21 Vintage 5100
Rs. 7,150,103
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
169
UK
Hublot King Power F1 India,  Ltd Edition, Box & Papers
TOP
Hublot King Power F1 India, Ltd Edition, Box & Papers
Rs. 1,593,972
Seller
Tempvs Ltd
99
UK
Hublot Big Bang Chronograph 44mm Limited Edition XX/10
TOP
Hublot Big Bang Chronograph 44mm Limited Edition XX/10
Rs. 712,382
Seller
Joaillerie Royale
476
BE
Rolex Day-Date President Pink MOP Roman  Diamond Dial Bezel 18038
TOP
Rolex Day-Date President Pink MOP Roman Diamond Dial Bezel 18038
Rs. 1,036,935
Seller
Watch My Diamonds
105
US
Sinn 103 St Sa RB Classic Watch Sondermodell
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
Rs. 196,105
Seller
Classic Watch
17
DE
Rolex Oyster Perpetual 36 Ref. 116000 Zifferblatt Silber A
TOP
Rolex Oyster Perpetual 36 Ref. 116000 Zifferblatt Silber A
Rs. 356,191
Seller
Uhren2000 GmbH
324
DE
Rolex GMT Master II
Rolex GMT Master II
Rs. 576,309
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Omega 42mm Seamaster Planet Ocean Chronometer von 2016,...
Omega 42mm Seamaster Planet Ocean Chronometer von 2016,...
Rs. 279,350
Free shipping
Seller
chronopark GmbH
 
DE
Rolex Submariner Date
Rolex Submariner Date
Rs. 575,108
Seller
TenerifeWatches
 
ES
Omega Seamaster Diver 300 M Chronometer Co-Axial Blue Dial
Omega Seamaster Diver 300 M Chronometer Co-Axial Blue Dial
Rs. 193,574
Seller
Koosh Jewelers
 
US
Hamilton Khaki X-Wind
Hamilton Khaki X-Wind
Rs. 99,653
Seller
MA Comaposada
 
ES
Omega SPEEDMASTER 1957 '50TH ANNIVERSARY
Omega SPEEDMASTER 1957 '50TH ANNIVERSARY
Rs. 656,769
Seller
EXPERTYCO
 
PL
Omega Seamaster Aqua Terra
Omega Seamaster Aqua Terra
Rs. 920,722
Seller
Dragon Watch
 
HK
Omega Seamaster
Omega Seamaster
Rs. 221,158
Seller
Chronostore
 
US
Panerai Radiomir Chronograph 42 mm Ref. PAM00369
TOP
Panerai Radiomir Chronograph 42 mm Ref. PAM00369
Rs. 449,841
Seller
Uhren2000 GmbH
324
DE
Rolex Yacht Master
Rolex Yacht Master
Rs. 720,386
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Omega Speedmaster Apollo 11 Pro von 2005, Limited Edition,...
Omega Speedmaster Apollo 11 Pro von 2005, Limited Edition,...
Rs. 719,586
Free shipping
Seller
chronopark GmbH
 
DE
Omega Seamaster Planet Ocean Chronograph
Omega Seamaster Planet Ocean Chronograph
Rs. 271,185
Seller
TenerifeWatches
 
ES
Hublot Big Bang 45 MM Unico King Gold Ceramic
Hublot Big Bang 45 MM Unico King Gold Ceramic
Rs. 2,041,094
Seller
MW Sportive GMBH
6
DE
Rolex Yacht-Master 16622  SS/Plat. 40mm
Rolex Yacht-Master 16622 SS/Plat. 40mm
Rs. 449,023
Seller
Angel Timepieces Inc.
 
US
Rolex Submariner Date 40mm
Rolex Submariner Date 40mm
Rs. 616,330
Seller
EXPERTYCO
 
PL
Rolex Yacht-Master 116622 Full Set
Rolex Yacht-Master 116622 Full Set
Rs. 671,560
Seller
Henry´s Auktionshaus AG
DE
Breitling Super Ocean II
Breitling Super Ocean II
Rs. 138,198
Seller
Chronostore
 
US
Tudor Heritage Black Bay Automatik Dark 79230DK Lederband
TOP
Tudor Heritage Black Bay Automatik Dark 79230DK Lederband
Rs. 227,322
Seller
Uhren2000 GmbH
324
DE
Omega Seamaster 300 Liquidmetal
Omega Seamaster 300 Liquidmetal
Rs. 380,204
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Breitling Windrider Cockpit 41 UTC Big Date 18k Rosègold / Stahl
Breitling Windrider Cockpit 41 UTC Big Date 18k Rosègold / Stahl
Rs. 319,371
Free shipping
Seller
chronopark GmbH
 
DE
Mühle Glashütte Teutonia II Großdatum M1-33-76-L Limitiert No....
Mühle Glashütte Teutonia II Großdatum M1-33-76-L Limitiert No....
Rs. 177,855
Seller
Paul Winnebeck
13
DE
Panerai PAM01024  Luminor Submersible Automatic Mens 44mm XXX...
Panerai PAM01024 Luminor Submersible Automatic Mens 44mm XXX...
Rs. 497,762
Seller
Luxury Discount Store
 
US
Maurice Lacroix Masterpiece Croneo COSC Roger Federer Special...
Maurice Lacroix Masterpiece Croneo COSC Roger Federer Special...
Rs. 260,139
Seller
MA Comaposada
 
ES
Rolex Sea-Dweller Deepsea
Rolex Sea-Dweller Deepsea
Rs. 801,950
Seller
EXPERTYCO
 
PL
Rolex Medium Pearlmaster 81209 meteorite Diamond dial
Rolex Medium Pearlmaster 81209 meteorite Diamond dial
Rs. 1,512,811
Seller
Henry´s Auktionshaus AG
DE
Breitling Superocean
Breitling Superocean
Rs. 234,985
Seller
Chronostore
 
US
Omega Seamaster Diver 300 M
Omega Seamaster Diver 300 M
Rs. 135,272
Seller
Uhrenhandel Eva Krause
 
DE
Breitling Chronomat 41 Airborne
Breitling Chronomat 41 Airborne
Rs. 308,165
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Omega 41,5mm Speedmaster '57 Co-Axial Chronograph, B&P, Ref....
Omega 41,5mm Speedmaster '57 Co-Axial Chronograph, B&P, Ref....
Rs. 367,397
Free shipping
Seller
chronopark GmbH
 
DE
Breitling Navitimer World
Breitling Navitimer World
Rs. 312,167
Seller
SARL Cap City
 
FR
Omega 232.30.44.22.01.001 OMEGA SEAMASTER PLANET OCEAN 600 M ...
Omega 232.30.44.22.01.001 OMEGA SEAMASTER PLANET OCEAN 600 M ...
Rs. 324,859
Seller
Luxury Discount Store
 
US
Zenith El Primero Chronomaster Open Heart Power Reserve
Zenith El Primero Chronomaster Open Heart Power Reserve
Rs. 244,829
Seller
PUH Radosław Kalyciok
 
PL
Rolex GMT-Master II 40mm
Rolex GMT-Master II 40mm
Rs. 616,330
Seller
EXPERTYCO
 
PL
Rolex Oyster Perpetual Medium Ref. 67488
Rolex Oyster Perpetual Medium Ref. 67488
Rs. 679,564
Seller
Henry´s Auktionshaus AG
DE
Omega Seamaster
Omega Seamaster
Rs. 380,166
Seller
Chronostore
 
US
Rolex GMT-Master II
Rolex GMT-Master II
Rs. 559,500
Seller
Uhrenhandel Eva Krause
 
DE
Rolex Damenuhr  Datejust
Rolex Damenuhr Datejust
Rs. 540,290
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Chopard 44mm Chopard Mille Miglia GTS Chrono Competitor...
Chopard 44mm Chopard Mille Miglia GTS Chrono Competitor...
Rs. 359,393
Free shipping
Seller
chronopark GmbH
 
DE
Hamilton VIEWMATIC RATTRAPANTE JAZZMASTER Edición limitada
Hamilton VIEWMATIC RATTRAPANTE JAZZMASTER Edición limitada
Rs. 256,137
Seller
MA Comaposada
 
ES
Omega 32632405006001 Omega Speedmaster Racing Mens Watch...
Omega 32632405006001 Omega Speedmaster Racing Mens Watch...
Rs. 262,708
Seller
Luxury Discount Store
 
US
Zenith El Primero Class 4
Zenith El Primero Class 4
Rs. 163,213
Seller
PUH Radosław Kalyciok
 
PL
Rolex Submariner No Date 40mm
Rolex Submariner No Date 40mm
Rs. 544,292
Seller
EXPERTYCO
 
PL
Rolex Datejust Medium
Rolex Datejust Medium
Rs. 239,328
Seller
Henry´s Auktionshaus AG
DE
Breitling Chronomat
Breitling Chronomat
Rs. 414,733
Seller
Chronostore
 
US
TAG Heuer Kirium Chronometer Ref. WL5113
TAG Heuer Kirium Chronometer Ref. WL5113
Rs. 60,032
Seller
online pfand
7
DE
Rolex GMT Master II
Rolex GMT Master II
Rs. 732,392
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
Omega Ladymatic Co-Axial 34mm Chronometer von 2017, B&P, Ref...
Omega Ladymatic Co-Axial 34mm Chronometer von 2017, B&P, Ref...
Rs. 388,208
Free shipping
Seller
chronopark GmbH
 
DE
Victorinox Swiss Army AIRBOSS MATCH 6
Victorinox Swiss Army AIRBOSS MATCH 6
Rs. 96,852
Seller
MA Comaposada
 
ES
Omega 232.92.42.21.03.001 Omega Seamaster Planet Ocean...
Omega 232.92.42.21.03.001 Omega Seamaster Planet Ocean...
Rs. 546,156
Seller
Luxury Discount Store
 
US
Breitling Transocean Unitime Pilot
Breitling Transocean Unitime Pilot
Rs. 549,612
Seller
Aaron Faber Gallery
 
US
Breitling Superocean Héritage 46
Breitling Superocean Héritage 46
Rs. 200,487
Seller
EXPERTYCO
 
PL
Breitling Exospace B55 Night Mission Ref. VB5510H2/BE45
Breitling Exospace B55 Night Mission Ref. VB5510H2/BE45
Rs. 439,436
Seller
Henry´s Auktionshaus AG
DE
Omega Constellation
Omega Constellation
Rs. 435,473
Seller
Chronostore
 
US
Omega 12320272055001
Omega 12320272055001
Rs. 445,383
Free shipping
Seller
好百年鐘錶珠寶 Good Century Watches & Jewelry Co.Ltd
 
HK
Corum Herrenarmbanduhr Automatic Gangreserve
Corum Herrenarmbanduhr Automatic Gangreserve
Rs. 120,064
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
172
DE
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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.

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