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Chronometer / COSC-Certified Watches

Browse COSC-certified chronometer watches — independently tested for precision timekeeping. Explore chronometer-grade pieces from Rolex, Omega, Breitling and more, all authenticated by MONTREDO.

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1404 products

Omega Constellation Chronometer Silver Dial 33mm Watch
Omega Constellation Chronometer Stainless Steel Automatic

GZl1kg68

33mm CPO
Sale price€1.040
Omega Constellation Chronometer ST168.0056 Silver Dial 35mm Watch
Omega Constellation Chronometer ST168.0056 Stainless Steel Automatic

ST168.0056

35mm CPO
Sale price€1.520
Save €280Mido Multifort Chronometer 1 Racer M038.431.36.051.00 Black Dial Stainless steel 42mm Watch
Mido Multifort Chronometer 1 Racer 42mm Black

M038.431.36.051.00

42mm NEW
Sale price€1.310 Regular price€1.590
Save €250Mido Multifort Chronometer M038.431.11.061.00 Anthracite Dial Stainless steel 42mm Watch
Mido Multifort Chronometer 42mm Anthracite

M038.431.11.061.00

42mm NEW
Sale price€1.160 Regular price€1.410
Omega Speedmaster 3211.31 Brand Name Date Chronometer Automatic Stainless Steel (SS) Silver
Omega Speedmaster 3211.31 Brand Name Date Chronometer Automatic Stainless Steel (SS) Silver

3211.31

39mm CPO
Sale price€3.300
TAG HEUER Sel Chronometer 200M Automatic Mens S89.213
TAG HEUER Sel Chronometer 200M Automatic Mens S89.213

S89.213

34mm CPO
Sale price€670
OMEGA Seamaster 120M Chronometer Steel Automatic 2501.31
OMEGA Seamaster 120M Chronometer Steel Automatic 2501.31

2501.31

36mm CPO
Sale price€1.510
Omega Constellation 123.20.38.21.58.001 Gold Dial 38mm Watch
Omega Constellation Co-Axial Chronometer YG Combination 11P 123.20.38.21.58.001 SSxYG Automatic

123.20.38.21.58.001

38mm CPO
Sale price€4.960
Omega Constellation 123.20.35.60.02.001 Silver Dial 35mm Watch
OMEGA Constellation Co-Axial Chronometer 123.20.35.60.02.001 Stainless Steel x 18K Pink Gold 40530

123.20.35.60.02.001

35mm CPO
Sale price€3.180
Longines Record L2.820.4.11.6 White Dial 40mm Watch
LONGINES L2.820.4.11.6 Record Chronometer Automatic Date Stainless Steel Silver

L2.820.4.11.6

40mm CPO
Sale price€1.810
Omega Seamaster 2501.31 Silver Dial 36mm Watch
OMEGA Seamaster 120M Chronometer Steel Automatic 2501.31

2501.31

36mm CPO
Sale price€1.550
Omega Constellation GZl1j1mz Silver Dial 35mm Watch
Omega Constellation Chronometer Stainless Steel Automatic Watch

GZl1j1mz

35mm CPO
Sale price€1.260
Omega Constellation 1.570.001 Silver Dial 34mm Watch
Omega Constellation Chronometer 157.0001 Stainless Steel Automatic Watch

1570001

34mm CPO
Sale price€860
Omega Seamaster 231.10.43.52.06.001 Grey Dial 43mm Watch
OMEGA Seamaster Aqua Terra 150m Co-Axial Chronometer GMT 231.10.43.52.06.001 Men's Watch Stainless Steel 40480

231.10.43.52.06.001

43mm CPO
Sale price€5.180
OMEGA Constellation Watch Chronometer cal.1001 Stainless Steel x Embossed Leather Automatic Silver Dial Men's S120924440
OMEGA Constellation Watch Chronometer cal.1001 Stainless Steel x Embossed Leather Automatic Silver Dial Men's S120924440

Tem-GZl13j9u

36mm CPO
Sale price€1.220
OMEGA Seamaster 300 Master Chronometer 41MM Wristwatch 234.30.41.21.03.002
OMEGA Seamaster 300 Master Chronometer 41MM Wristwatch 234.30.41.21.03.002

234.30.41.21.03.002

41mm CPO
Sale price€5.970
RALPH LAUREN Ralph Lauren Sporting Safari RL67 Chronometer Watch (RL0220900) with Stainless Steel Canvas Strap, Black/Khaki
RALPH LAUREN Ralph Lauren Sporting Safari RL67 Chronometer Watch (RL0220900) with Stainless Steel Canvas Strap, Black/Khaki

RLR0220900

45mm CPO
Sale price€1.340
Omega Seamaster Chronometer F-25200 Gold Silver Watch 168.022/166.28 Stainless Steel Automatic Movement OMEGA Caliber 564 Men's Analog Overhauled
Omega Seamaster Chronometer F-25200 Gold Silver Watch 168.022/166.28 Stainless Steel Automatic Movement OMEGA Caliber 564 Men's Analog

168022

36mm CPO
Sale price€1.810
Omega Seamaster Aqua Terra 231.10.42.21.01.002 Men's Watch, Brand Name, 15,000 Gauss, Date, Co-Axial Chronometer, Automatic Movement, Stainless Steel (SS), Polished.
Omega Seamaster Aqua Terra 231.10.42.21.01.002 Men's Watch, Brand Name, 15,000 Gauss, Date, Co-Axial Chronometer, Automatic Movement, Stainless Steel (SS).

231.10.42.21.01.002

42mm CPO
Sale price€5.460
Omega De Ville Prestige 4574.31 Men's Watch, Brand Name, Date, Co-Axial Chronometer, Automatic, Stainless Steel (SS), Silver, Polished.
Omega De Ville Prestige 4574.31 Men's Watch, Brand Name, Date, Co-Axial Chronometer, Automatic, Stainless Steel (SS), Silver.

4574.31

36mm CPO
Sale price€2.010
OMEGA Seamaster 120M Chronometer Steel Automatic Watch 2501.31 Polished
OMEGA Seamaster 120M Chronometer Steel Automatic Watch 2501.31

2501.31

36mm CPO
Sale price€1.540
Save €400Product image coming soon placeholder
Tissot T-Gold Le Locle COSC 39 mm 18K Gold Bezel 39mm Silver

T932.408.41.033.00

39mm NEW
Sale price€1.680 Regular price€2.075
Save €290Product image coming soon placeholder
Tissot T-Classic Luxury Automatic Chronometer 41mm Silver

T086.408.22.036.00

41mm NEW
Sale price€1.210 Regular price€1.495
Save €180Tissot Heritage 1938 COSC 39mm Grey
Tissot Heritage 1938 COSC 39mm Grey

T142.464.16.062.00

39mm NEW
Sale price€720 Regular price€895
Save €270Mido Multifort Chronometer 1 42mm Black
Mido Multifort Chronometer 1 42mm Black

M038.431.37.051.00

42mm NEW
Sale price€1.230 Regular price€1.500
Save €250Mido Multifort Chronometer 1 42mm Grey
Mido Multifort Chronometer 1 42mm Grey

M038.431.11.061.00

42mm NEW
Sale price€1.160 Regular price€1.410
Save €240Product image coming soon placeholder
Mido Multifort Chronometer 1 42mm White

M038.431.16.031.00

42mm NEW
Sale price€1.090 Regular price€1.330
Save €7.610Product image coming soon placeholder
Glashütte Original Senator Chronometer Regulator 42mm Silver

1-58-04-04-04-04

42mm NEW
Sale price€24.090 Regular price€31.700
Save €7.610Product image coming soon placeholder
Glashütte Original Senator Chronometer Regulator 42mm Silver

1-58-04-04-04-50

42mm NEW
Sale price€24.090 Regular price€31.700
Save €7.340Product image coming soon placeholder
Glashütte Original Senator Chronometer 42mm Blue

1-58-01-05-34-30

42mm NEW
Sale price€23.260 Regular price€30.600
Save €7.340Product image coming soon placeholder
Glashütte Original Senator Chronometer 42mm Blue

1-58-01-05-34-50

42mm NEW
Sale price€23.260 Regular price€30.600
Save €7.200Product image coming soon placeholder
Glashütte Original Senator Chronometer Regulator 42mm Silver

1-58-04-04-05-04

42mm NEW
Sale price€22.800 Regular price€30.000
Save €7.200Product image coming soon placeholder
Glashütte Original Senator Chronometer Regulator 42mm Silver

1-58-04-04-05-50

42mm NEW
Sale price€22.800 Regular price€30.000
Save €6.940Product image coming soon placeholder
Glashütte Original Senator Chronometer 42mm Silver

1-58-01-02-05-30

42mm NEW
Sale price€21.960 Regular price€28.900
Save €6.480Product image coming soon placeholder
Glashütte Original Senator Chronometer 42mm Silver

1-58-01-02-05-01

42mm NEW
Sale price€20.520 Regular price€27.000
Save €350Mido Ocean Star M038.431.36.051.00 Black Dial Stainless steel 42mm Watch
Mido Ocean Star Chronometer

M038.431.36.051.00

42mm NEW
Sale price€1.240 Regular price€1.590
Save €260Mühle Glashütte Panova M1-40-76-1-MB-II Green Dial Stainless steel 40mm Watch
Mühle Glashütte Panova Chronometer

M1-40-76-1-MB-II

40mm NEW
Sale price€1.040 Regular price€1.300
Save €2.660Omega De Ville 434.20.42.22.02.001 Silver Dial Stainless Steel, Rose gold, PVD coated 42mm Watch
Omega De Ville Chronometer

434.20.42.22.02.001

42mm NEW
Sale price€9.440 Regular price€12.100
Save €2.660Omega De Ville 434.20.42.22.10.001 Green Dial Stainless Steel, Yellow gold, PVD coated 42mm Watch
Omega De Ville Chronometer

434.20.42.22.10.001

42mm NEW
Sale price€9.440 Regular price€12.100
Tudor Black Bay 58 GMT 7939G1A0NRU0003
Tudor Black Bay 58 GMT COSC

7939G1A0NRU-0003

39mm NEW
Sale price€5.610
Tudor Black Bay 58 7939A1A0NU0003
Tudor Black Bay 58 COSC

7939A1A0NU-0003

39mm NEW
Sale price€4.950
Tudor Black Bay 58 7939A1A0NU0001
Tudor Black Bay 58 COSC

7939A1A0NU-0001

39mm NEW
Sale price€5.310
Tudor Black Bay Ceramic 7941A1ACNU0001
Tudor Black Bay Ceramic COSC

7941A1ACNU-0001

41mm NEW
Sale price€7.700
Save €240Tudor Royal COSC
Tudor Royal COSC

2830A1A3-0003

30mm NEW
Sale price€4.650 Regular price€4.890
Save €280Tudor Royal COSC
Tudor Royal COSC

2830A1A3-0001

30mm NEW
Sale price€5.390 Regular price€5.670
Save €240Tudor Royal COSC
Tudor Royal COSC

2830A1S0-0002

30mm NEW
Sale price€4.650 Regular price€4.890
Save €250Tudor Royal COSC
Tudor Royal COSC

2830A1S0-0001

30mm NEW
Sale price€4.750 Regular price€5.000
Save €150Tudor Royal COSC
Tudor Royal COSC

2830A1A0-0004

30mm NEW
Sale price€2.800 Regular price€2.950