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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

Atlantic Watch Atlantic Worldmaster Automatic Black 42mm
Atlantic Watch Atlantic Worldmaster Automatic Black 42mm

52781.41.61

42mm NEW
Sale price€1.310
Save €210Raymond Weil Freelancer Automatic Black 43mm
Raymond Weil Freelancer Automatic Black 43mm

7780-TI-20425

43mm NEW
Sale price€3.920 Regular price€4.125
Save €890BALL Watch Roadmaster Automatic Blue 40mm
BALL Watch Roadmaster Automatic Blue 40mm

DG3030B-S1CJ-BE

40mm NEW
Sale price€2.490 Regular price€3.380
Save €890BALL Watch Roadmaster Automatic Green 40mm
BALL Watch Roadmaster Automatic Green 40mm

DG3030B-S2C-GR

40mm NEW
Sale price€2.490 Regular price€3.380
Save €890BALL Watch Roadmaster Automatic Black 40mm
BALL Watch Roadmaster Automatic Black 40mm

DG3000A-S2C-BK

40mm NEW
Sale price€2.490 Regular price€3.380
Save €2.250BALL Watch Trainmaster Automatic White 40mm
BALL Watch Trainmaster Automatic White 40mm

NM3888D-PG-LCJ-WH

40mm NEW
Sale price€6.070 Regular price€8.320
Save €860BALL Watch Engineer Hydrocarbon Automatic Black 42mm
BALL Watch Engineer Hydrocarbon Automatic Black 42mm

DM2276A-S1CJ-BK

42mm NEW
Sale price€2.400 Regular price€3.260
Save €580BALL Watch Engineer II Automatic Black/Silver 44mm
BALL Watch Engineer II Automatic Black/Silver 44mm

GM1086C-S3-BK

44mm NEW
Sale price€1.630 Regular price€2.210
Save €1.170Breitling Navitimer Quartz Mother of Pearl 32mm
Breitling Navitimer Quartz Mother of Pearl 32mm

A77320E61A2A1

32mm NEW
Sale price€3.740 Regular price€4.910
Save €1.500Breitling Navitimer Automatic Green 36mm
Breitling Navitimer Automatic Green 36mm

A17327361L1A1

36mm NEW
Sale price€4.250 Regular price€5.750
Save €1.340Breitling Avenger Automatic Black 44mm
Breitling Avenger Automatic Black 44mm

A32320101B1X1

44mm NEW
Sale price€4.310 Regular price€5.650
Save €1.760Breitling Avenger Automatic Beige 44mm
Breitling Avenger Automatic Beige 44mm

AB0147101A1A1

30mm NEW
Sale price€5.650 Regular price€7.410
Save €1.330Breitling Avenger Automatic Green 42mm
Breitling Avenger Automatic Green 42mm

A17328101L1X1

42mm NEW
Sale price€3.670 Regular price€5.000
Save €1.760Breitling Avenger Automatic Blue 44mm
Breitling Avenger Automatic Blue 44mm

AB0147101C1A1

30mm NEW
Sale price€5.650 Regular price€7.410
Save €1.500Breitling Avenger Automatic Blue 44mm
Breitling Avenger Automatic Blue 44mm

A32320101C1X1

44mm NEW
Sale price€4.150 Regular price€5.650
Save €1.330Breitling Avenger Automatic Blue 42mm
Breitling Avenger Automatic Blue 42mm

A17328101C1X1

42mm NEW
Sale price€3.670 Regular price€5.000
Save €1.570Breitling Avenger Automatic Blue 44mm
Breitling Avenger Automatic Blue 44mm

A32320101C1A1

44mm NEW
Sale price€4.340 Regular price€5.910
Save €470Frederique Constant Highlife Automatic Blue 39mm
Frederique Constant Highlife Automatic Blue 39mm

FC-303BLS3NH6B

39mm NEW
Sale price€1.530 Regular price€1.995
Save €1.020BALL Watch Engineer Hydrocarbon Automatic Blue 42mm
BALL Watch Engineer Hydrocarbon Automatic Blue 42mm

DG2018C-S3C-BE

42mm NEW
Sale price€2.750 Regular price€3.770
Save €1.480Breitling Navitimer Automatic Green 36mm
Breitling Navitimer Automatic Green 36mm

A17327361L1P1

36mm NEW
Sale price€4.070 Regular price€5.550
Save €1.320Breitling Navitimer Automatic Beige 36mm
Breitling Navitimer Automatic Beige 36mm

A17327211G1P1

36mm NEW
Sale price€4.230 Regular price€5.550
Save €1.320Breitling Navitimer Automatic Grey 36mm
Breitling Navitimer Automatic Grey 36mm

A17327381B1P1

36mm NEW
Sale price€4.230 Regular price€5.550
Save €2.590Breitling Navitimer Automatic White 36mm
Breitling Navitimer Automatic White 36mm

U17327211A1U1

36mm NEW
Sale price€8.010 Regular price€10.600
Save €1.120Breitling Navitimer Quartz White 32mm
Breitling Navitimer Quartz White 32mm

A77320E61A2P2

32mm NEW
Sale price€3.580 Regular price€4.700
Save €1.120Breitling Navitimer Quartz Blue 32mm
Breitling Navitimer Quartz Blue 32mm

A77320171C1P1

32mm NEW
Sale price€3.580 Regular price€4.700
Save €1.170Breitling Navitimer Quartz Pink 32mm
Breitling Navitimer Quartz Pink 32mm

A77320D91K1A1

32mm NEW
Sale price€3.740 Regular price€4.910
Save €2.020Breitling Navitimer Quartz White 32mm
Breitling Navitimer Quartz White 32mm

U77320E61A1U1

32mm NEW
Sale price€6.480 Regular price€8.500
Save €1.340Porsche Design Chronograph 1 Automatic Black 41mm
Porsche Design Chronograph 1 Automatic Black 41mm

WAP0710090PBLK

41mm NEW
Sale price€7.610 Regular price€8.950
Save €2.370Chopard Mille Miglia Automatic Black 41mm
Chopard Mille Miglia Automatic Black 41mm

168619-3001

41mm NEW
Sale price€7.630 Regular price€10.000
Save €2.630Chopard Mille Miglia Automatic Green 41mm
Chopard Mille Miglia Automatic Green 41mm

168619-3004

41mm NEW
Sale price€7.670 Regular price€10.300
Save €3.250Chopard Mille Miglia Automatic Blue 41mm
Chopard Mille Miglia Automatic Blue 41mm

168619-4001

41mm NEW
Sale price€9.550 Regular price€12.800
Save €690Tudor Black Bay Automatic Black 39mm
Tudor Black Bay Pro Automatic Black 39mm

79470-0001

39mm NEW
Sale price€3.920 Regular price€4.610
Save €4.090Breitling Chronomat Automatic Black 44mm
Breitling Chronomat Automatic Black 44mm

UB0136251B1U1

44mm NEW
Sale price€11.710 Regular price€15.800
Sold outSave €740Hublot Classic Fusion Automatic Grey 45mm
Hublot Classic Fusion Automatic Grey 45mm

521.NX.4610.VR.ROM20

45mm NEW
Sale price€14.060 Regular price€14.800
Sold outSave €1.620Breitling Navitimer Automatic Grey 41mm
Breitling Navitimer Automatic Grey 41mm

U17326121M1P2

41mm NEW
Sale price€5.430 Regular price€7.050
Sold outSave €4.790TAG Heuer Aquaracer Automatic Blue 40mm
TAG Heuer Aquaracer Professional 200 Date Blue

WBP5152.FT6210

40mm NEW
Sale price€13.860 Regular price€18.650
Sold outSave €480Breitling Chronomat Automatic Blue 42mm
Breitling Chronomat Automatic Blue 42mm

AB0134A81C1A1

42mm NEW
Sale price€9.170 Regular price€9.650
Sold outSave €480Breitling Chronomat Automatic Blue 42mm
Breitling Chronomat Automatic Blue 42mm Six Nations Italy

AB0134A41C1A1

42mm NEW
Sale price€9.170 Regular price€9.650
Sold outSave €1.320Grand Seiko Heritage Grand Seiko Automatic Silver 37mm
Grand Seiko Heritage Grand Seiko Automatic Silver 37mm

SBGH311

37mm NEW
Sale price€5.880 Regular price€7.200
Sold outSave €1.080Breitling Superocean Automatic Orange 36mm
Breitling Superocean Automatic Orange 36mm

A1737721101A1

36mm NEW
Sale price€3.620 Regular price€4.700
Sold outSave €1.620Breitling Superocean Heritage Automatic Green 44mm
Breitling Superocean Heritage Automatic Green 44mm

A13313121L1S1

44mm NEW
Sale price€5.180 Regular price€6.800
Sold outSave €740Product image coming soon placeholder
Breitling Professional Quartz Black 44mm

X82310D31B151

44mm NEW
Sale price€2.460 Regular price€3.200
Sold outSave €2.590Breitling Navitimer Automatic Brown 45mm
Breitling Navitimer Automatic Brown 45mm

AB0310211Q1P2

45mm NEW
Sale price€8.660 Regular price€11.250
Sold outSave €5.950Breitling Premier Automatic Silver 42mm
Breitling Premier Automatic Silver 42mm

RB0118371G1P2

42mm NEW
Sale price€19.900 Regular price€25.850
Sold outSave €2.150Breitling Navitimer Automatic Grey 41mm
Breitling Navitimer Automatic Grey 41mm

U17326121M1U1

41mm NEW
Sale price€7.200 Regular price€9.350
Sold outSave €530Breitling Professional Quartz Black 44mm
Breitling Professional Quartz Black 44mm

X82310E51B1S1

44mm NEW
Sale price€3.020 Regular price€3.550
Sold outSave €470Frederique Constant Highlife Automatic Black 39mm
Frederique Constant Highlife Automatic Black 39mm

FC-303B3NH6B

39mm NEW
Sale price€1.530 Regular price€1.995
Sold outSave €520Frederique Constant Highlife Automatic Green 39mm
Frederique Constant Highlife Automatic Green 39mm

FC-303K3NH6B

39mm NEW
Sale price€1.680 Regular price€2.195