Chronometers up to R 45,000
Chronometers R 90,000 - R 150,000
Chronometers starting at R 150,000
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TOP
Rolex Day-Date 18946
R 922,161
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
TOP
A. Lange & Söhne Chronometer 18k Gold Qualität 1A Taschenuhr...
R 274,324
Free shipping
Seller
Antiquitäten carsten berger
9
DE
TOP
Omega Constellation Co-Axial Oro Rosa Rose Gold NEW 18000€ price
R 132,989
Free shipping
Seller
Plus Watch - Luxury Watches
3318
IT
TOP
Zenith Academy
R 413,360
Seller
LUXE WARE (HK) LIMITED
133
HK
TOP
Breguet Classique
R 170,000
Seller
Chronometrie Stäuble AG
9
CH
TOP
Rolex Datejust 16018
R 436,813
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
TOP
Casio GMW-B5000GD-9 G-SHOCK
R 9,128
Seller
First Advanced Watches
68
ES
TOP
Hamilton Intra-Matic Auto Chrono
R 25,770
Seller
CANTELI JOYEROS SL
33
ES
Rolex Day Date Ref. 118205
R 379,066
Seller
Meertz WORLDOFTIME.DE
196
DE
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
R 37,408
Seller
Classic Watch
47
DE
Omega Seamaster Aqua Terra
R 43,900
Seller
Luxurytime South Africa
ZA
TOP
Omega Constellation 36mm Automatic two tone
R 32,282
Free shipping
Seller
Royal Jewelry & Watches
72
US
TOP
Ulysse Nardin Maxi Marine Chronometer 41mm
R 215,303
Seller
Fernando Monge SA
157
ES
Omega Seamaster
R 27,999
Seller
The Diamond Channel
ZA
Panerai Special Editions
R 175,000
Seller
Topwatch SA Pty Ltd
ZA
TOP
Casio G-Shock MTG-B10000-1AER
R 11,305
Seller
First Advanced Watches
68
ES
TOP
Rado 56-H Chronometre, 1st Version, Very Rare
R 114,665
Seller
Plus Ultra AG
7
CH
Panerai Luminor Marina 44 Black Diver
R 64,840
Seller
Juwelier Burger, since 2001
959
NL
Montblanc Timewalker
R 66,420
Seller
Handelshaus Rheinländer
 
DE
Rolex Daydate
R 156,282
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
500
DE
Strom Agonium Draco
R 103,554
Seller
Chronometrie Stäuble AG
9
CH
Rolex Day-Date 36
R 237,487
Free shipping
Seller
Hour Early, LLC
 
US
Breitling Navitimer World
R 69,000
Seller
The Diamond Channel
ZA
Breitling Navitimer World Stainless Steel
R 71,714
Seller
Ticking Way
 
US
TOP
Casio G-Shock Mudmaster GWG-1000-1A3ER
R 11,621
Seller
First Advanced Watches
68
ES
TOP
Omega De Ville Hour Vision, Full Set
R 144,256
Seller
Plus Ultra AG
7
CH
Breitling Bentley Motors
R 69,828
Seller
Juwelier Burger, since 2001
959
NL
Breitling Bentley B06
R 270,856
Seller
Swiss Watch And Diamond Exchange
 
US
Rolex Yacht Master Medium
R 280,974
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
500
DE
Hublot Classic Fusion Ultra-Thin 45
R 251,375
Seller
Chronometrie Stäuble AG
9
CH
Breitling Superocean II 44
R 34,499
Seller
HJ Jewelers
10
US
Breitling Cockpit Lady
R 41,999
Seller
The Diamond Channel
ZA
Omega Seamaster Diver 300m Co-Axial Stainless Steel
R 51,308
Seller
Ticking Way
 
US
Breitling Chronomat Evolution
R 74,816
Seller
Helmut Seidl GmbH
12
DE
Rolex GMT-Master II 116710LN
R 193,169
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
Rolex Sea-Dweller Tritium Dial
R 114,717
Seller
Juwelier Burger, since 2001
959
NL
Montblanc Timewalker
R 31,572
Seller
Handelshaus Rheinländer
 
DE
Rolex Submariner Date
R 126,355
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
500
DE
Hublot Big Bang 41 Tutti Frutti Pop Art
R 340,148
Seller
Chronometrie Stäuble AG
9
CH
Rolex Oyster Perpetual Submariner Dive Watch 40mm 16613 T...
R 131,978
Free shipping
Seller
Zadok Jewelers
44
US
Breitling Navitimer 1461
R 106,400
Seller
The Diamond Channel
ZA
Omega Speedmaster Professional Moonwatch
R 85,984
Free shipping
Seller
Hour Early, LLC
 
US
Breitling Bentley Flying B
R 114,717
Seller
Helmut Seidl GmbH
12
DE
Rolex GMT-Master Vintage UAE Air Force 1675
R 1,844,322
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
Rolex Submariner Date Steel / Gold Blue SUNBURST DIAL
R 178,726
Seller
Juwelier Burger, since 2001
959
NL
Rolex 1675 Vintage GMT Master "Pepsi Bezel" SS Circa 1978 (30756)
R 233,420
Seller
European Watch Company
242
US
Omega Speedmaster
R 62,346
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
500
DE
Hublot Classic Fusion Ultra-Thin 42 + 45
R 110,951
Seller
Chronometrie Stäuble AG
9
CH
Omega Grey Side of the moon Speedmaster Professional Moonwatch
R 110,966
Seller
L'Heure Asch
5
CH
Breitling Starliner
R 119,000
Seller
The Diamond Channel
ZA
Omega Seamaster Planet Ocean
R 62,392
Free shipping
Seller
Hour Early, LLC
 
US
Omega Seamaster 300 GMT
R 34,945
Free shipping
Seller
Stewart's Watches
52
UK
Rolex Submariner Date 16610LV
R 581,447
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
Rolex Daytona 116500LN NEW
R 364,103
Seller
Juwelier Burger, since 2001
959
NL
Rolex 216570 Explorer II Black Dial SS / SS (30584)
R 116,710
Seller
European Watch Company
242
US
Rolex Submariner Sea-Dweller
R 128,849
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
500
DE
TOP
Chaumet Liens 33
R 66,565
Seller
Chronometrie Stäuble AG
9
CH
Breitling Bentley Flying B
R 114,717
Seller
Helmut Seidl GmbH
12
DE
Omega SEAMASTER PROFESSIONAL
R 32,999
Seller
The Diamond Channel
ZA
Omega Seamaster Planet Ocean
R 51,382
Free shipping
Seller
Hour Early, LLC
 
US
Rolex BLAKEN Sea - Dweller run out model top condition
R 199,492
Seller
Watch-Lounge.de
343
DE
Rolex Submariner Date Hulk 116610LV
R 242,674
Free shipping
Seller
Watches & Jewellery of Bond Street Ltd
315
UK
Rolex Datejust II Rhodium Diamond Dial NEW
R 114,717
Seller
Juwelier Burger, since 2001
959
NL
Rolex 116519LN Daytona 18K White Gold Ceramic Oysterflex...
R 477,117
Seller
European Watch Company
242
US
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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.

Do you have any questions?
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