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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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1395 products

Save €3,370Omega Constellation Automatic Purple 29mm
Omega Constellation Manhattan Purple

131.15.29.20.99.001

29mm NEW
Sale price€10,830 Regular price€14,200
Save €3,320Omega Seamaster Automatic Blue 45,5mm
Omega Seamaster Planet Ocean 600M Blue

215.30.46.21.03.002

45mm NEW
Sale price€10,880 Regular price€14,200
Save €3,620Omega Seamaster Automatic Black 41mm
Omega Seamaster Aqua Terra 150M Black

220.20.41.21.01.001

41mm NEW
Sale price€11,580 Regular price€15,200
Save €3,800Omega De Ville Automatic Silver 41mm
Omega De Ville Prestige Silver

434.53.41.20.02.001

41mm NEW
Sale price€12,200 Regular price€16,000
Save €4,040Omega Constellation Automatic Yellow 29mm
Omega Constellation Manhattan Yellow

131.25.29.20.58.002

29mm NEW
Sale price€12,960 Regular price€17,000
Save €4,040Omega Constellation Automatic Silver 29mm
Omega Constellation Manhattan Silver

131.25.29.20.52.003

29mm NEW
Sale price€12,960 Regular price€17,000
Save €4,280Omega Constellation Automatic Yellow 29mm
Omega Constellation Manhattan Yellow

131.25.29.20.99.002

29mm NEW
Sale price€13,720 Regular price€18,000
Save €4,750Omega Seamaster Automatic Green 34mm
Omega Seamaster Aqua Terra 150M Green

220.53.34.20.10.001

34mm NEW
Sale price€15,250 Regular price€20,000
Save €5,130Omega De Ville Manual winding Grey 40mm
Omega De Ville Trésor Grey

435.53.40.21.06.001

40mm NEW
Sale price€15,770 Regular price€20,900
Save €5,730Omega Constellation Automatic Purple 29mm
Omega Constellation Manhattan Purple

131.58.29.20.60.002

29mm NEW
Sale price€18,370 Regular price€24,100
Save €6,110Omega Seamaster Automatic Green 41mm
Omega Seamaster Aqua Terra 150M Green

220.52.41.21.10.001

41mm NEW
Sale price€19,590 Regular price€25,700
Save €5,300Omega Seamaster Automatic Black 42mm
Omega Seamaster Diver 300M Black

210.62.42.20.01.002

42mm NEW
Sale price€28,600 Regular price€33,900
Save €8,890Omega Speedmaster Manual winding Yellow 42mm
Omega Speedmaster Moonwatch Professional Yellow

310.62.42.50.99.001

42mm NEW
Sale price€28,510 Regular price€37,400
Save €7,410Omega Constellation Co-Axial Master Chronometer Automatic Red 34mm
Omega Constellation Manhattan Red

131.58.34.20.61.001

34mm NEW
Sale price€23,790 Regular price€31,200
Save €2,600Omega Constellation Constellation Automatic Grey 41mm
Omega Constellation Manhattan Grey

131.30.41.21.99.001

41mm NEW
Sale price€8,000 Regular price€10,600
Save €2,500Omega Constellation Constellation Automatic Blue 41mm
Omega Constellation Manhattan Blue

131.30.41.21.99.003

41mm NEW
Sale price€7,700 Regular price€10,200
Save €2,920Omega Seamaster Aqua Terra 150M Co-Axial Master Ch Automatic Green 43mm
Omega Seamaster Aqua Terra 150M Green

220.30.43.22.10.001

43mm NEW
Sale price€8,980 Regular price€11,900
Save €4,280Omega Constellation Constellation Automatic Grey 29mm
Omega Constellation Manhattan Grey

131.25.29.20.99.001

29mm NEW
Sale price€13,720 Regular price€18,000
Sold outSave €5,820Omega Constellation Automatic White 29mm
Omega Constellation Manhattan White

131.58.29.20.55.003

29mm NEW
Sale price€18,680 Regular price€24,500
Sold outSave €7,920Omega Seamaster Automatic Green 42mm
Omega Seamaster Diver 300M Green

210.62.42.20.10.001

42mm NEW
Sale price€25,980 Regular price€33,900
Sold outSave €8,550Omega Seamaster Automatic Mother of Pearl 38mm
Omega Seamaster Aqua Terra 150M Mother of Pearl

220.58.38.20.55.002

38mm NEW
Sale price€27,450 Regular price€36,000
Sold outSave €8,830Omega Speedmaster Manual winding Silver 43mm
Omega Speedmaster Chronoscope Silver

522.62.43.51.02.001

43mm NEW
Sale price€28,970 Regular price€37,800
Sold outSave €9,080Omega Seamaster Automatic Light Brown 34mm
Omega Seamaster Aqua Terra 150M Brown

220.50.34.20.09.001

34mm NEW
Sale price€29,120 Regular price€38,200
Sold outSave €9,080Omega Seamaster Automatic Gold 34mm
Omega Seamaster Aqua Terra 150M Gold

220.50.34.20.08.001

34mm NEW
Sale price€29,120 Regular price€38,200
Sold outSave €9,080Omega Seamaster Automatic Silver 34mm
Omega Seamaster Aqua Terra 150M Silver

220.50.34.20.02.001

34mm NEW
Sale price€29,120 Regular price€38,200
Sold outSave €8,460Omega De Ville Quartz Green 27,5mm
Omega De Ville Prestige Green

434.55.28.60.99.001

27mm NEW
Sale price€27,740 Regular price€36,200
Sold outSave €9,190Omega Speedmaster Automatic Brown 38mm
Omega Speedmaster '38 Brown

324.58.38.50.63.001

38mm NEW
Sale price€30,110 Regular price€39,300
Sold outSave €9,230Omega Speedmaster Automatic Green 38mm
Omega Speedmaster '38 Green

324.58.38.50.60.001

38mm NEW
Sale price€30,070 Regular price€39,300
Sold outSave €9,230Omega Constellation Automatic Purple 29mm
Omega Constellation Manhattan Purple

131.55.29.20.60.001

29mm NEW
Sale price€30,270 Regular price€39,500
Sold outSave €9,480Omega Seamaster Automatic White 29mm
Omega Constellation Manhattan White

131.55.29.20.55.003

29mm NEW
Sale price€30,420 Regular price€39,900
Sold outSave €9,720Omega Seamaster Automatic Pink 38mm
Omega Seamaster Aqua Terra 150M Pink

220.50.38.20.10.001

38mm NEW
Sale price€31,180 Regular price€40,900
Sold outSave €9,570Omega Seamaster Automatic Blue 38mm
Omega Seamaster Aqua Terra 150M Blue

220.50.38.20.03.001

38mm NEW
Sale price€31,330 Regular price€40,900
Sold outSave €10,210Omega Speedmaster Manual winding Silver 42mm
Omega Speedmaster Moonwatch Professional Silver

310.63.42.50.02.001

42mm NEW
Sale price€32,790 Regular price€43,000
Sold outSave €10,720Omega Seamaster Automatic Green 41mm
Omega Seamaster Aqua Terra 150M Green

220.50.41.21.10.001

41mm NEW
Sale price€34,380 Regular price€45,100
Sold outSave €10,660Omega Seamaster Automatic Blue 41mm
Omega Seamaster Aqua Terra 150M Blue

220.50.41.21.03.001

41mm NEW
Sale price€34,840 Regular price€45,500
Sold outSave €10,190Omega Seamaster Automatic Silver 41mm
Omega Seamaster Aqua Terra 150M Silver

220.50.41.21.02.002

41mm NEW
Sale price€32,710 Regular price€42,900
Sold outSave €10,590Omega Seamaster Automatic Black 39,5mm
Omega Seamaster Olympic Official Timekeeper Black

522.93.40.20.01.001

39mm NEW
Sale price€34,710 Regular price€45,300
Sold outSave €12,570Omega Speedmaster Automatic Brown 38mm
Omega Speedmaster '38 Brown

324.55.38.50.63.001

38mm NEW
Sale price€41,130 Regular price€53,700
Sold outSave €12,570Omega Speedmaster Automatic Green 38mm
Omega Speedmaster '38 Green

324.55.38.50.60.001

38mm NEW
Sale price€41,130 Regular price€53,700
Sold outSave €13,090Omega Speedmaster Automatic Silver 43mm
Omega Seamaster Aqua Terra 150M Silver

220.50.43.22.02.001

43mm NEW
Sale price€42,010 Regular price€55,100
Sold outSave €13,890Omega Speedmaster Manual winding Silver 43mm
Omega Speedmaster Chronoscope Silver

522.60.43.51.02.001

43mm NEW
Sale price€45,510 Regular price€59,400
Sold outSave €4,390Omega Constellation Co-Axial Master Chronometer Automatic White 34mm
Omega Constellation Manhattan White

131.28.34.20.55.001

34mm NEW
Sale price€14,110 Regular price€18,500
Sold outSave €3,230Omega Constellation Manhattan Automatic Blue 29mm
Omega Constellation Manhattan Blue

131.15.29.20.53.001

29mm NEW
Sale price€10,370 Regular price€13,600
Sold outSave €2,440Omega Constellation Manhattan Quartz Brown 28mm
Omega Constellation Manhattan Brown

131.25.28.60.63.001

28mm NEW
Sale price€8,460 Regular price€10,900
Sold outSave €3,090Omega Seamaster Aqua Terra 150M Automatic Yellow 34mm
Omega Seamaster Aqua Terra 150M Yellow

220.20.34.20.08.001

34mm NEW
Sale price€10,310 Regular price€13,400
Sold outSave €3,090Omega Seamaster Aqua Terra 150M Automatic Pink 34mm
Omega Seamaster Aqua Terra 150M Pink

220.20.34.20.10.001

34mm NEW
Sale price€10,310 Regular price€13,400
Sold outSave €5,990Omega Seamaster Olympic Games Collection Automatic White 39,5mm
Omega Seamaster Olympic Official Timekeeper White

522.53.40.20.04.003

39mm NEW
Sale price€19,610 Regular price€25,600
Sold outSave €1,580Omega Seamaster Planet Ocean Automatic Blue 43,5mm
Omega Seamaster Planet Ocean Blue

232.30.44.22.03.001

43mm NEW
Sale price€6,220 Regular price€7,800