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Doxa GRANDE METRE BLUE PLANET LIMITED EDITION 800PCS WORLD
TOP
Doxa GRANDE METRE BLUE PLANET LIMITED EDITION 800PCS WORLD
Rp. 50,670,244
Free shipping
Seller
Przedsiębiorstwo Handlowe Usługowe
172
PL
Rolex Lady-Datejust
TOP
Rolex Lady-Datejust
Rp. 237,056,784
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Rolex Datejust Pearlmaster
TOP
Rolex Datejust Pearlmaster
Rp. 355,288,480
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Breguet Secret de la Reine
TOP
Breguet Secret de la Reine
Rp. 815,902,592
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Rolex GMT-Master II 116759SARU june 2020 Rolex warranty
TOP
Rolex GMT-Master II 116759SARU june 2020 Rolex warranty
Rp. 1,155,322,624
Seller
MMC RIVIERA
6
MC
Rolex OYSTER PERPETUAL CHRONOMETER 18K GOLD HONEYCOMB WABENBLATT
TOP
Rolex OYSTER PERPETUAL CHRONOMETER 18K GOLD HONEYCOMB WABENBLATT
Rp. 83,551,584
Seller
Timeless Watches GmbH
271
DE
Rolex Datejust Pearlmaster
TOP
Rolex Datejust Pearlmaster
Rp. 334,520,064
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Omega Seamaster Aqua Terra 150M Master Co-Axial  | 41MM
TOP
Omega Seamaster Aqua Terra 150M Master Co-Axial | 41MM
Rp. 69,202,144
Seller
Juwelier van Willegen
64
NL
Rado 56-H Chronometre, 1st Version, Very Rare
TOP
Rado 56-H Chronometre, 1st Version, Very Rare
Rp. 114,968,088
Seller
Plus Ultra AG
5
CH
Rolex Oyster Perpetual Caramel Dial Yellow Gold - 67488
TOP
Rolex Oyster Perpetual Caramel Dial Yellow Gold - 67488
Rp. 86,230,592
Free shipping
Seller
Pawndeluxe
229
NL
Breitling CHRONOMAT 44 GMT AUTOMATIC AB042011
TOP
Breitling CHRONOMAT 44 GMT AUTOMATIC AB042011
Rp. 95,942,000
Free shipping
Seller
RIVIERAWATCH
103
FR
Sinn 103 St Sa RB Classic Watch Sondermodell
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
Rp. 41,022,320
Seller
Classic Watch
28
DE
Rolex Submariner Date
Rolex Submariner Date
Rp. 92,928,112
Seller
Juwelier Burger, since 2001
815
NL
Rolex GMT-Master II 116758SARU with 2 years warranty
TOP
Rolex GMT-Master II 116758SARU with 2 years warranty
Rp. 1,155,322,624
Seller
MMC RIVIERA
6
MC
Rolex GMT-Master II 116758SARU
Rolex GMT-Master II 116758SARU
Rp. 2,143,105,664
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Hublot Big Bang Tutti Frutti Pop Art
TOP
Hublot Big Bang Tutti Frutti Pop Art
Rp. 363,447,520
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Omega Seamaster Aqua Terra Annual Calendar, UNGETRAGEN, Ref...
Omega Seamaster Aqua Terra Annual Calendar, UNGETRAGEN, Ref...
Rp. 76,854,064
Free shipping
Seller
chronopark GmbH
 
DE
Rolex Explorer
Rolex Explorer
Rp. 81,207,456
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
IWC Portuguese Chronograph 41mm IW371445 Ex IW371401
IWC Portuguese Chronograph 41mm IW371445 Ex IW371401
Rp. 96,946,632
Free shipping
Seller
SORELLE RONCO
1000
IT
Breitling Bentley Flying B
Breitling Bentley Flying B
Rp. 115,532,256
Seller
Helmut Seidl GmbH
11
DE
Rolex Datejust 69173
Rolex Datejust 69173
Rp. 53,412,740
Seller
Henry´s Auktionshaus AG
DE
Rolex Day-Date 36 President Yellow Gold
Rolex Day-Date 36 President Yellow Gold
Rp. 163,252,096
Seller
Juwelier Burger, since 2001
815
NL
Rolex Datejust
Rolex Datejust
Rp. 82,044,640
Seller
Stephan Hermann GmbH
81
DE
Rolex GMT-Master Vintage UAE Air Force 1675
Rolex GMT-Master Vintage UAE Air Force 1675
Rp. 1,770,391,680
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Tiffany Atlas 42
TOP
Tiffany Atlas 42
Rp. 59,190,024
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Breitling 47mm Chronomat GMT Limited Edition, 2.000 Stück,...
Breitling 47mm Chronomat GMT Limited Edition, 2.000 Stück,...
Rp. 81,877,208
Free shipping
Seller
chronopark GmbH
 
DE
Breitling Avenger  Seawolf
Breitling Avenger Seawolf
Rp. 37,673,560
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
Breitling SUPEROCEAN II 44 Total Blue Diver Pro III Chrono...
Breitling SUPEROCEAN II 44 Total Blue Diver Pro III Chrono...
Rp. 41,357,200
Free shipping
Seller
SORELLE RONCO
1000
IT
Breitling Chronomat Evolution
Breitling Chronomat Evolution
Rp. 75,347,120
Seller
Helmut Seidl GmbH
11
DE
Rolex Daytona Ref. 116523
Rolex Daytona Ref. 116523
Rp. 199,251,280
Seller
Henry´s Auktionshaus AG
DE
Rolex Submariner Date Full Iced Diamonds
Rolex Submariner Date Full Iced Diamonds
Rp. 467,152,128
Seller
Juwelier Burger, since 2001
815
NL
Chopard Mille Miglia GTS
Chopard Mille Miglia GTS
Rp. 54,975,320
Seller
Kings Hill Jewellery
8
UK
Rolex Unworn Daytona 116500LN
Rolex Unworn Daytona 116500LN
Rp. 340,101,568
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Breguet Reine de Naples
TOP
Breguet Reine de Naples
Rp. 325,619,296
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Breitling 45mm Avenger II Seawolf Automatik Chronometer, Ref....
Breitling 45mm Avenger II Seawolf Automatik Chronometer, Ref....
Rp. 46,715,216
Free shipping
Seller
chronopark GmbH
 
DE
Omega Seamaster Co-Axial 600 m
Omega Seamaster Co-Axial 600 m
Rp. 58,603,316
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
Breitling SUPER AVENGER II Chrono 48mm Steel Black Chablon Dial
Breitling SUPER AVENGER II Chrono 48mm Steel Black Chablon Dial
Rp. 63,626,456
Free shipping
Seller
SORELLE RONCO
1000
IT
Breitling Bentley Flying B
Breitling Bentley Flying B
Rp. 115,532,256
Seller
Helmut Seidl GmbH
11
DE
Rolex Datejust 126334 Slate Roman
Rolex Datejust 126334 Slate Roman
Rp. 135,470,064
Seller
Labelle Jewelry
59
US
Rolex Sea-Dweller
Rolex Sea-Dweller
Rp. 107,997,544
Seller
Juwelier Burger, since 2001
815
NL
Rolex Submariner (No Date)
Rolex Submariner (No Date)
Rp. 110,509,104
Seller
Stephan Hermann GmbH
81
DE
Rolex Cosmograph Daytona 116520
Rolex Cosmograph Daytona 116520
Rp. 371,782,240
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Chaumet Liens
TOP
Chaumet Liens
Rp. 42,278,592
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
TAG Heuer Mercedes Benz 300 SLR Chronograph 1887, Service,...
TAG Heuer Mercedes Benz 300 SLR Chronograph 1887, Service,...
Rp. 33,320,172
Free shipping
Seller
chronopark GmbH
 
DE
Rolex Submariner
Rolex Submariner
Rp. 343,248,000
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
Baume & Mercier Classima Automatic Chronograf date Men's 40mm...
Baume & Mercier Classima Automatic Chronograf date Men's 40mm...
Rp. 37,506,120
Free shipping
Seller
SORELLE RONCO
1000
IT
Rolex Datejust Medium
Rolex Datejust Medium
Rp. 50,063,976
Seller
Henry´s Auktionshaus AG
DE
Rolex Cellini
Rolex Cellini
Rp. 356,345,152
Seller
Luxchrono Sp. z o.o.
 
PL
Breitling Navitimer Blue
Breitling Navitimer Blue
Rp. 75,347,120
Seller
Juwelier Burger, since 2001
815
NL
Rolex Air King
Rolex Air King
Rp. 46,882,656
Seller
Stephan Hermann GmbH
81
DE
Rolex Explorer I Unworn Steel 114270
Rolex Explorer I Unworn Steel 114270
Rp. 129,518,128
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Corum Admiral's Cup AC-One
TOP
Corum Admiral's Cup AC-One
Rp. 81,590,264
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Panerai 47mm Radiomir 1940 3 Days, UNGETRAGEN, B&P, Referenz...
Panerai 47mm Radiomir 1940 3 Days, UNGETRAGEN, B&P, Referenz...
Rp. 83,551,584
Free shipping
Seller
chronopark GmbH
 
DE
Breitling Colt Oceane
Breitling Colt Oceane
Rp. 23,441,328
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
Omega DE VILLE PRESTIGE 32,7mm.Co-Axial.Black Dial.Steel on Steel
Omega DE VILLE PRESTIGE 32,7mm.Co-Axial.Black Dial.Steel on Steel
Rp. 40,687,444
Free shipping
Seller
SORELLE RONCO
1000
IT
Rolex Sea-Dweller Sea-Dweller 126600 SD43 NEW
Rolex Sea-Dweller Sea-Dweller 126600 SD43 NEW
Rp. 204,603,952
Seller
Kara's Watches
181
US
Rolex Daytona
Rolex Daytona
Rp. 1,030,750,464
Seller
Luxchrono Sp. z o.o.
 
PL
Rolex Datejust 26 Lady Yellow Gold President Bracelet
Rolex Datejust 26 Lady Yellow Gold President Bracelet
Rp. 69,486,784
Seller
Juwelier Burger, since 2001
815
NL
Rolex Milgauss
Rolex Milgauss
Rp. 97,114,072
Seller
Stephan Hermann GmbH
81
DE
Rolex Explorer II Steve McQueen 1655
Rolex Explorer II Steve McQueen 1655
Rp. 371,782,240
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
265
UK
Jaquet-Droz Legend  Geneva
TOP
Jaquet-Droz Legend Geneva
Rp. 162,438,800
Free shipping
Seller
Chronometrie Stäuble AG
 
CH
Omega 34mm Seamaster Aqua Terra CoAxial Master Chronometer,...
Omega 34mm Seamaster Aqua Terra CoAxial Master Chronometer,...
Rp. 56,761,500
Free shipping
Seller
chronopark GmbH
 
DE
Jaeger-LeCoultre Reverso
Jaeger-LeCoultre Reverso
Rp. 165,763,664
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
359
DE
Baume & Mercier Shelby Cobra Capeland Chrono  1963 Black &...
Baume & Mercier Shelby Cobra Capeland Chrono 1963 Black &...
Rp. 59,440,508
Free shipping
Seller
SORELLE RONCO
1000
IT
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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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