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Rolex GMT-Master II 116758SARU
TOP
Rolex GMT-Master II 116758SARU
NZ$ 99,366
Seller
MMC RIVIERA
6
MC
Ulysse Nardin Perpetual Manufacture
TOP
Ulysse Nardin Perpetual Manufacture
NZ$ 40,167
Seller
LUXE WARE (HK) LIMITED
56
HK
Corum Two Tone Admiral Cup Triple Calendar Chronograph 18Kt/ SS
TOP
Corum Two Tone Admiral Cup Triple Calendar Chronograph 18Kt/ SS
NZ$ 6,006
Free shipping
Seller
Ye Olde Timekeepers, Inc.
14
US
TAG Heuer Grand Carrera
TAG Heuer Grand Carrera
NZ$ 7,100
Seller
Private Seller
NZ
Louis Moinet Memoris Red Eclipse
Straight from the manufacturer
Louis Moinet Memoris Red Eclipse
NZ$ 165,153
BrandBoutique Member
Louis Moinet
Omega De Ville Prestige
TOP
Omega De Ville Prestige
NZ$ 2,950
Seller
Private Seller
NZ
Hublot King Power F1 India,  Ltd Edition, Box & Papers
TOP
Hublot King Power F1 India, Ltd Edition, Box & Papers
NZ$ 32,276
Seller
Tempvs Ltd
102
UK
B.R.M CT-48-AR
TOP
B.R.M CT-48-AR
NZ$ 26,149
Free shipping
Seller
Solexport International
MU
Omega Speedmaster Apollo 11 Pro von 2005, Limited Edition,...
Omega Speedmaster Apollo 11 Pro von 2005, Limited Edition,...
NZ$ 15,672
Free shipping
Seller
chronopark GmbH
 
DE
Omega Seamaster Co-Axial Skyfall 007
Omega Seamaster Co-Axial Skyfall 007
NZ$ 9,588
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
Sinn 103 St Sa RB Classic Watch Sondermodell
TOP
Sinn 103 St Sa RB Classic Watch Sondermodell
NZ$ 4,271
Seller
Classic Watch
18
DE
Ulysse Nardin Classico San Marco
TOP
Ulysse Nardin Classico San Marco
NZ$ 7,357
Seller
Premium Lombard
RU
Cartier MINT Cartier Santos 100 XL Large W20073X8 2656 38mm...
Cartier MINT Cartier Santos 100 XL Large W20073X8 2656 38mm...
NZ$ 5,936
Seller
Collectors Coins of Lynbrook LLC
 
US
Louis Moinet Memoris
Straight from the manufacturer
Louis Moinet Memoris
NZ$ 82,411
BrandBoutique Member
Louis Moinet
Rolex Submariner Date
Rolex Submariner Date
NZ$ 10,056
Seller
Uhrmageren.com
9
DK
Omega Speedmaster Broad Arrow 3551500
Omega Speedmaster Broad Arrow 3551500
NZ$ 4,107
Seller
Henry´s Auktionshaus AG
DE
B.R.M DDF-12-44-SQ-AJ
TOP
B.R.M DDF-12-44-SQ-AJ
NZ$ 20,745
Free shipping
Seller
Solexport International
MU
Breitling Windrider Cockpit 41 UTC Big Date 18k Rosègold / Stahl
Breitling Windrider Cockpit 41 UTC Big Date 18k Rosègold / Stahl
NZ$ 6,956
Free shipping
Seller
chronopark GmbH
 
DE
Rolex Datejust
Rolex Datejust
NZ$ 6,799
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
Hublot Big Bang King Power 48 mm 18k Rose Gold, B + P
Hublot Big Bang King Power 48 mm 18k Rose Gold, B + P
NZ$ 54,050
Free shipping
Seller
Luxury Watches USA
 
US
Rolex Day-Date, ref: 1803.  Grey dial.  Yellow  Gold. 1967.
Rolex Day-Date, ref: 1803. Grey dial. Yellow Gold. 1967.
NZ$ 15,639
Seller
Prestige Watches
 
UK
Rolex 2012 ENGRAVED UNPOLISHED Rolex Submariner 4-Line 40mm...
Rolex 2012 ENGRAVED UNPOLISHED Rolex Submariner 4-Line 40mm...
NZ$ 10,349
Seller
Collectors Coins of Lynbrook LLC
 
US
Louis Moinet Memoris 200th Anniversary
Straight from the manufacturer
Louis Moinet Memoris 200th Anniversary
NZ$ 103,596
BrandBoutique Member
Louis Moinet
Rolex Date Chronometer Ref. 15000 von 1986
Rolex Date Chronometer Ref. 15000 von 1986
NZ$ 4,689
Seller
Matthias Wohne Uhrmachermeister
6
DE
Rolex Pearlmaster Diamonds Reference 69308
Rolex Pearlmaster Diamonds Reference 69308
NZ$ 31,204
Seller
Henry´s Auktionshaus AG
DE
B.R.M V8-44-GULF
TOP
B.R.M V8-44-GULF
NZ$ 12,029
Free shipping
Seller
Solexport International
MU
Omega Ladymatic Co-Axial 34mm Chronometer von 2017, B&P, Ref...
Omega Ladymatic Co-Axial 34mm Chronometer von 2017, B&P, Ref...
NZ$ 8,455
Free shipping
Seller
chronopark GmbH
 
DE
Omega Seamaster Co Axial Chronometer
Omega Seamaster Co Axial Chronometer
NZ$ 4,881
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
Bremont Watch Martin Baker MBI
Bremont Watch Martin Baker MBI
NZ$ 53,794
Seller
Watchfinder.co.uk Ltd
UK
Rolex Datejust
Rolex Datejust
NZ$ 12,551
Seller
Uhrenwelt (e tronic UG)
 
DE
Rolex Vintage 1963 Rolex DateJust 1603 36mm Stainless Steel...
Rolex Vintage 1963 Rolex DateJust 1603 36mm Stainless Steel...
NZ$ 3,741
Seller
Collectors Coins of Lynbrook LLC
 
US
Michael Kors Orologio Donna Michael Kors Mk5191  Nuovo E...
Michael Kors Orologio Donna Michael Kors Mk5191 Nuovo E...
NZ$ 192
Seller
S.F. 10 DI SCARINCI FABRIZIO
 
IT
Rolex Date Just 41MM
Rolex Date Just 41MM
Price on request
Seller
Luxury Souq Dubai
 
AE
Rolex Datejust Medium
Rolex Datejust Medium
NZ$ 5,212
Seller
Henry´s Auktionshaus AG
DE
Rolex Sea Dweller
Rolex Sea Dweller
NZ$ 20,570
Seller
RB Uhrenhandel
 
DE
Omega 42mm Seamaster Planet Ocean Chronometer von 2016,...
Omega 42mm Seamaster Planet Ocean Chronometer von 2016,...
NZ$ 6,084
Free shipping
Seller
chronopark GmbH
 
DE
Breitling Colt Chronograph Automatic
Breitling Colt Chronograph Automatic
NZ$ 5,927
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
Omega Watch Planet Ocean 2201.50.00
Omega Watch Planet Ocean 2201.50.00
NZ$ 5,487
Seller
Watchfinder.co.uk Ltd
UK
Chopard L.U.C. Tonneau
Chopard L.U.C. Tonneau
NZ$ 16,365
Seller
Chronometrie Beyer AG
 
CH
Rolex Submariner Date 16613 Luminova Two-Tone 18K Gold Black...
Rolex Submariner Date 16613 Luminova Two-Tone 18K Gold Black...
NZ$ 10,799
Seller
Collectors Coins of Lynbrook LLC
 
US
Rolex Date Chronometer Ref. 15000 von 1987
Rolex Date Chronometer Ref. 15000 von 1987
NZ$ 4,689
Seller
Matthias Wohne Uhrmachermeister
6
DE
Omega Seamaster America's Cup
Omega Seamaster America's Cup
NZ$ 3,835
Seller
COMPRA-VENTA JAVIER CALVO
ES
Rolex Oyster Perpetual Medium Ref. 67488
Rolex Oyster Perpetual Medium Ref. 67488
NZ$ 14,800
Seller
Henry´s Auktionshaus AG
DE
Rolex Sea-Dweller
Rolex Sea-Dweller
Price on request
Seller
Luxury Souq Dubai
 
AE
Omega 41,5mm Speedmaster '57 Co-Axial Chronograph, B&P, Ref....
Omega 41,5mm Speedmaster '57 Co-Axial Chronograph, B&P, Ref....
NZ$ 8,002
Free shipping
Seller
chronopark GmbH
 
DE
Breitling Chronomat 41
Breitling Chronomat 41
NZ$ 6,799
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
TAG Heuer Watch Grand Carrera CAV5185.FT6020
TAG Heuer Watch Grand Carrera CAV5185.FT6020
NZ$ 6,749
Seller
Watchfinder.co.uk Ltd
UK
Michael Kors Orologio Donna Michael Kors Mk5503  Nuovo E...
Michael Kors Orologio Donna Michael Kors Mk5503 Nuovo E...
NZ$ 214
Seller
S.F. 10 DI SCARINCI FABRIZIO
 
IT
Omega Seamaster Professional 300M 2541.80 Blue Wave Quartz...
Omega Seamaster Professional 300M 2541.80 Blue Wave Quartz...
NZ$ 3,443
Seller
Collectors Coins of Lynbrook LLC
 
US
Omega Seamaster Diver 300 M
Omega Seamaster Diver 300 M
NZ$ 3,225
Seller
Watch & Bullion
12
GI
Omega Seamaster Planet Ocean
Omega Seamaster Planet Ocean
NZ$ 5,230
Seller
COMPRA-VENTA JAVIER CALVO
ES
Breitling Exospace B55 Night Mission Ref. VB5510H2/BE45
Breitling Exospace B55 Night Mission Ref. VB5510H2/BE45
NZ$ 9,571
Seller
Henry´s Auktionshaus AG
DE
Rolex Oyster Perpetual Lady
Rolex Oyster Perpetual Lady
NZ$ 3,399
Seller
Galerie + Auktionshaus Peter Klöter
 
DE
Breitling Roségold Montbrillant Olympus Chrono Limited...
Breitling Roségold Montbrillant Olympus Chrono Limited...
NZ$ 15,672
Free shipping
Seller
chronopark GmbH
 
DE
Wempe Zeitmeister Chronometer
Wempe Zeitmeister Chronometer
NZ$ 2,179
Free shipping
Seller
A. Grimmeissen Uhren An- und Verkauf
195
DE
Omega Watch Speedmaster Dark Side of the Moon 311.92.44.51.01.003
Omega Watch Speedmaster Dark Side of the Moon 311.92.44.51.01.003
NZ$ 12,030
Seller
Watchfinder.co.uk Ltd
UK
henry London Orologio Hl41-cs-0023 Henry London  Nuovo E...
henry London Orologio Hl41-cs-0023 Henry London Nuovo E...
NZ$ 169
Seller
S.F. 10 DI SCARINCI FABRIZIO
 
IT
Breitling Old Navitimer Chronograph Black 42mm Automatic 81610...
Breitling Old Navitimer Chronograph Black 42mm Automatic 81610...
NZ$ 5,244
Seller
Collectors Coins of Lynbrook LLC
 
US
Hublot Big Bang Unico Red Sapphire (Limited Edition)
Hublot Big Bang Unico Red Sapphire (Limited Edition)
NZ$ 78,272
Free shipping
Seller
Istock LTD
90
LV
Omega Seamaster 300 SMPc - Factory Warranty - NEW
Omega Seamaster 300 SMPc - Factory Warranty - NEW
NZ$ 4,617
Seller
Watch Exchange Co.
97
US
Rolex Prince 1/4 Century Club Reference 3937
Rolex Prince 1/4 Century Club Reference 3937
NZ$ 8,647
Seller
Henry´s Auktionshaus AG
DE
Omega Seamaster 300m Chrono Diver
Omega Seamaster 300m Chrono Diver
NZ$ 3,814
Seller
Watch & Bullion
12
GI
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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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