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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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1393 products

Save €3,760Omega Seamaster Automatic Mother Of Pearl 34mm
Omega Seamaster Aqua Terra 150M Mother of Pearl

220.20.34.20.55.001

34mm NEW
Sale price€11,540 Regular price€15,300
Save €1,670Omega Seamaster Automatic Silver 38mm
Omega Seamaster Aqua Terra 150M Silver

220.10.38.20.02.002

38mm NEW
Sale price€5,130 Regular price€6,800
Save €310Mido Multifort Automatic White 42mm
Mido Multifort Automatic White 42mm

M038.431.22.031.00

42mm NEW
Sale price€1,230 Regular price€1,540
Save €400Rado HyperChrome Quartz Green 45mm
Rado HyperChrome Quartz Green 45mm

R32259313

45mm NEW
Sale price€1,400 Regular price€1,800
Save €300Mido Commander Automatic Grey 42mm
Mido Commander Automatic Grey 42mm

M031.631.33.061.00

42mm NEW
Sale price€1,200 Regular price€1,500
Save €3,090OMEGA Seamaster Automatic Black 46mm
Omega Seamaster Planet Ocean 600M Black

215.92.46.22.01.003

46mm NEW
Sale price€10,310 Regular price€13,400
Save €4,700Omega De Ville Automatic Mother of Pearl 34mm
Omega De Ville Ladymatic Mother of Pearl

425.20.34.20.55.004

34mm NEW
Sale price€15,100 Regular price€19,800
Save €2,350Omega Seamaster Automatic Silver 41mm
Omega Seamaster Aqua Terra 150M Silver

220.23.41.21.02.001

41mm NEW
Sale price€8,150 Regular price€10,500
Save €1,690Breitling Superocean Heritage Automatic Black 44mm
Breitling Superocean Heritage Automatic Black 44mm

A13313121B1A1

44mm NEW
Sale price€5,420 Regular price€7,110
Save €3,400OMEGA De Ville Automatic Mother of Pearl 33mm
Omega De Ville Prestige Mother of Pearl

424.27.33.20.55.001

33mm NEW
Sale price€10,900 Regular price€14,300
Save €1,230OMEGA Seamaster Automatic Black 41mm
Omega Seamaster Aqua Terra 150M Black

220.12.41.21.01.002

41mm NEW
Sale price€4,470 Regular price€5,700
Save €400Rado HyperChrome Quartz Black 45mm
Rado HyperChrome Quartz Black 45mm

R32259153

45mm NEW
Sale price€1,400 Regular price€1,800
Save €1,620Breitling Superocean Heritage Automatic Blue 44mm
Breitling Superocean Heritage Automatic Blue 44mm

A13313161C1S1

44mm NEW
Sale price€5,180 Regular price€6,800
Save €1,600Omega Specialities Automatic Black 40mm
Omega Specialities Olympic Official Timekeeper Black

522.32.40.20.01.002

40mm NEW
Sale price€4,900 Regular price€6,500
Save €1,190Seamaster Railmaster Co-Axial Master Chronometer 40 mm 220.10.40.20.06.001
Omega Seamaster Railmaster Grey

220.10.40.20.06.001

40mm NEW
Sale price€4,310 Regular price€5,500
Save €400Rado HyperChrome Quartz Blue 45mm
Rado HyperChrome Quartz Blue 45mm

R32259203

45mm NEW
Sale price€1,400 Regular price€1,800
Save €1,670Omega Seamaster Automatic Black 38mm
Omega Seamaster Aqua Terra 150M Black

220.10.38.20.01.001

38mm NEW
Sale price€5,130 Regular price€6,800
Save €1,870Chopard Mille Miglia Automatic Black
Chopard Mille Miglia Automatic Black

168566-3001

43mm NEW
Sale price€5,660 Regular price€7,530
Save €1,600Breitling Superocean Heritage Automatic Black 44mm
Breitling Superocean Heritage Automatic Black 44mm

AB2030121B1A1

44mm NEW
Sale price€4,400 Regular price€6,000
Save €1,510Breitling Superocean Heritage Automatic Blue 42mm
Breitling Superocean Heritage Automatic Blue 42mm

AB2010161C1S1

42mm NEW
Sale price€4,140 Regular price€5,650
Save €240TISSOT T-Classic Automatic Mother of Pearl 31mm
TISSOT T-Classic Automatic Mother of Pearl 31mm

T108.208.22.117.01

31mm NEW
Sale price€1,060 Regular price€1,295
Save €1,490Omega Seamaster Automatic Grey 42mm
Omega Seamaster Aqua Terra 150M Grey

231.20.42.21.06.003

42mm NEW
Sale price€9,310 Regular price€10,800
Save €5,230Breitling Navitimer Automatic Bronze 43mm
Breitling Navitimer Automatic Bronze 43mm

RB0117131Q1P1

43mm NEW
Sale price€14,420 Regular price€19,650
Save €400Longines Record Automatic Black 39mm
Longines Record Black

L2.820.4.56.2

39mm NEW
Sale price€1,640 Regular price€2,040
Save €1,300Montblanc Montblanc Heritage Automatic Silver 41mm
Montblanc Montblanc Heritage Automatic Silver 41mm

112540

41mm NEW
Sale price€4,100 Regular price€5,400
Save €490Longines Record Automatic Black 30mm
Longines Record Black

L2.321.4.57.6

30mm NEW
Sale price€2,210 Regular price€2,700
TAG Heuer 6000 Series WH5212 Gray Dial 34mm Watch
TAG HEUER 6000 Chronometer Steel Automatic Mens WH5212

WH5212

34mm CPO
Sale price€820
Sold outPlaceholder image with 'Image Coming Soon' text on a white background
Ulysse Nardin Ulysse Nardin Marine Automatic Black 40mm

1182-310/42

40mm NEW
Sale price€17,900
Sold outSave €2,020Breitling Premier Automatic Green 42mm
Breitling Premier Automatic Green 42mm

AB0118A11L1A1

42mm NEW
Sale price€6,680 Regular price€8,700
Sold outSave €920Longines Record Automatic Mother of Pearl 26mm
Longines Record Mother of Pearl

L2.320.0.87.6

26mm NEW
Sale price€4,130 Regular price€5,050
Sold outSave €1,430Breitling Premier Automatic Black 42mm
Breitling Premier Automatic Black 42mm

A13315351B1P2

42mm NEW
Sale price€4,770 Regular price€6,200
Sold outSave €1,340Breitling Navitimer Automatic Green 43mm
Breitling Navitimer Automatic Green 43mm

A133161A1L1X1

43mm NEW
Sale price€4,310 Regular price€5,650
Sold outSave €2,250Omega Constellation Automatic Mother of Pearl 27mm
Omega Constellation Mother of Pearl

123.25.27.20.57.002

27mm NEW
Sale price€8,350 Regular price€10,600
Sold outSave €930Breitling Premier Automatic Grey 40mm
Breitling Premier Automatic Grey 40mm

A37340351B1P1

40mm NEW
Sale price€3,970 Regular price€4,900
Sold outSave €1,360OMEGA De Ville Automatic Brown 37mm
Omega De Ville Prestige Brown

424.20.37.20.13.001

37mm NEW
Sale price€4,940 Regular price€6,300
Sold outSave €1,450OMEGA Constellation Automatic Silver 38mm
Omega Constellation Silver

123.10.38.21.52.001

38mm NEW
Sale price€5,250 Regular price€6,700
Sold outSave €1,400Constellation Co-Axial Master Chronometer Small Seconds 27 mm 127.10.27.20.55.001
Omega Constellation Petite Seconde Mother of Pearl

127.10.27.20.55.001

27mm NEW
Sale price€5,100 Regular price€6,500
Sold outSave €1,430Breitling Premier Automatic Blue 42mm
Breitling Premier Automatic Blue 42mm

A13315351C1P2

42mm NEW
Sale price€4,770 Regular price€6,200
Sold outSave €1,380Navitimer Super 8 B20 Automatic 46 2019
Navitimer Super 8 B20 Automatic 46 2019

EB2040101L1X1

46mm NEW
Sale price€4,420 Regular price€5,800
Sold outSave €1,970Breitling Premier Automatic Blue 42mm
Breitling Premier Automatic Blue 42mm

AB0118A61C1P2

42mm NEW
Sale price€6,330 Regular price€8,300
Sold outPlaceholder image with 'Image Coming Soon' text on a white background
Ulysse Nardin Ulysse Nardin Marine Automatic Blue 45mm

1183-122/43

45mm NEW
Sale price€9,900
Sold outSave €1,800Breitling Premier Automatic Black 42mm
Breitling Premier Automatic Black 42mm

A13315351B1A1

42mm NEW
Sale price€4,950 Regular price€6,750
Sold outSave €1,120Omega Constellation Automatic Silver 38mm
Omega Constellation Silver

123.10.38.21.02.003

38mm NEW
Sale price€3,980 Regular price€5,100
Sold outSave €2,300Breitling Superocean Heritage Automatic Black 44mm
Breitling Superocean Heritage Automatic Black 44mm

U13313121B1A1

44mm NEW
Sale price€6,350 Regular price€8,650
Sold outSave €1,780Breitling Navitimer Automatic Black 43mm
Breitling Navitimer Automatic Black 43mm

AB0117131B1A1

43mm NEW
Sale price€5,720 Regular price€7,500
Sold outPlaceholder image with 'Image Coming Soon' text on a white background
Ulysse Nardin Ulysse Nardin Marine Automatic Blue 43mm

1183-310/43

42mm NEW
Sale price€7,500
Sold outSave €1,200Breitling Premier Automatic Black 40mm
Breitling Premier Automatic Black 40mm

A45340241B1A1

40mm NEW
Sale price€4,000 Regular price€5,200
Sold outSave €360Longines Record Automatic Blue 30mm
Longines Record Blue

L2.321.4.96.6

30mm NEW
Sale price€1,890 Regular price€2,250