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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 €1,770Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Automatic Purple 34mm
Omega Seamaster Aqua Terra 150M Purple

220.10.34.20.10.002

34mm NEW
Sale price€5,430 Regular price€7,200
Save €1,770Omega Seamaster Aqua Terra 150M Co-Axial Master Chronometer Automatic Pink 34mm
Omega Seamaster Aqua Terra 150M Pink

220.10.34.20.10.003

34mm NEW
Sale price€5,430 Regular price€7,200
Save €3,730Omega Seamaster 300 Co-Axial Master Chronometer Automatic Brown 41mm
Omega Seamaster 300 Brown

234.92.41.21.10.001

41mm NEW
Sale price€11,470 Regular price€15,200
Save €6,300Omega Seamaster Diver 300M Co-Axial Master Chronometer Chronograph Automatic Blue 44mm
Omega Seamaster Diver 300M Blue

210.60.44.51.03.001

44mm NEW
Sale price€20,200 Regular price€26,500
Save €4,420Omega Seamaster Diver 300M Co-Axial Master Chronometer Chronograph Automatic Blue 44mm
Omega Seamaster Diver 300M Blue

210.20.44.51.03.001

44mm NEW
Sale price€13,580 Regular price€18,000
Save €3,130Omega Seamaster Diver 300M Co-Axial Master Chronometer Chronograph Automatic Blue 44mm
Omega Seamaster Diver 300M Blue

210.22.44.51.03.001

44mm NEW
Sale price€10,470 Regular price€13,600
Save €3,690Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Black 43,5mm
Omega Seamaster Diver 300M Black

210.62.44.20.01.001

43mm NEW
Sale price€11,310 Regular price€15,000
Save €2,530Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Black 43,5mm
Omega Seamaster Diver 300M Black

210.92.44.20.01.003

43mm NEW
Sale price€7,770 Regular price€10,300
Save €2,380Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Black 43,5mm
Omega Seamaster Diver 300M Black

210.92.44.20.01.002

43mm NEW
Sale price€7,320 Regular price€9,700
Save €8,050Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Blue 42mm
Omega Seamaster Diver 300M Blue

210.62.42.20.03.001

42mm NEW
Sale price€25,850 Regular price€33,900
Save €3,490Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Blue 42mm
Omega Seamaster Diver 300M Blue

210.20.42.20.03.001

42mm NEW
Sale price€10,710 Regular price€14,200
Save €3,490Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Black 42mm
Omega Seamaster Diver 300M Black

210.20.42.20.01.002

42mm NEW
Sale price€10,710 Regular price€14,200
Save €2,280Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Blue 42mm
Omega Seamaster Diver 300M Blue

210.22.42.20.03.001

42mm NEW
Sale price€7,020 Regular price€9,300
Save €2,280Omega Seamaster Diver 300 M Co-Axial Master Chronometer Automatic Black 42mm
Omega Seamaster Diver 300M Black

210.22.42.20.01.001

42mm NEW
Sale price€7,020 Regular price€9,300
Save €1,790Omega Seamaster Diver 300 M Co-Axial Master Chronometer Nekton Edition 42 mm
Omega Seamaster Diver 300M Black

210.32.42.20.01.002

42mm NEW
Sale price€5,510 Regular price€7,300
Save €3,520Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep Black

215.92.46.21.01.001

45mm NEW
Sale price€11,280 Regular price€14,800
Save €3,390Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep Blue

215.30.46.21.03.001

45mm NEW
Sale price€10,410 Regular price€13,800
Save €3,280Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep White

215.30.46.21.04.001

45mm NEW
Sale price€10,520 Regular price€13,800
Save €3,390Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep Grey

215.30.46.21.06.001

45mm NEW
Sale price€10,410 Regular price€13,800
Save €3,290Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep Blue

215.32.46.21.03.001

45mm NEW
Sale price€10,110 Regular price€13,400
Save €3,290Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep White

215.32.46.21.04.001

45mm NEW
Sale price€10,110 Regular price€13,400
Save €3,290Omega Seamaster Planet Ocean 6000 M Co-Axial Master Chronometer Ultra Deep 45,5mm
Omega Seamaster Planet Ocean Ultra Deep Grey

215.32.46.21.06.001

45mm NEW
Sale price€10,110 Regular price€13,400
Save €2,580Omega Speedmaster Moonwatch Co-Axial Master Chronometer Chronograph Manual winding Yellow 42mm
Omega Speedmaster Moonwatch Professional Yellow

310.60.42.50.99.002

42mm NEW
Sale price€49,220 Regular price€51,800
Save €2,460Omega Speedmaster Moonwatch Co-Axial Master Chronometer Chronograph Manual winding Green 42mm
Omega Speedmaster Moonwatch Professional Green

310.60.42.50.10.001

42mm NEW
Sale price€46,840 Regular price€49,300
Save €2,460Omega Speedmaster Moonwatch Professional Co-Axial Master Chronometer Chronograph 42 mm
Omega Speedmaster Moonwatch Professional Black

310.60.42.50.01.001

42mm NEW
Sale price€46,840 Regular price€49,300
Save €1,740Omega Speedmaster Moonwatch Professional Co-Axial Master Chronometer Chronograph 42 mm
Omega Speedmaster Moonwatch Professional Black

310.63.42.50.01.001

42mm NEW
Sale price€33,160 Regular price€34,900
Save €930Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding Brown 43mm
Omega Speedmaster Chronoscope Brown

329.92.43.51.10.001

43mm NEW
Sale price€17,770 Regular price€18,700
Save €510Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding Silver 43mm
Omega Speedmaster Chronoscope Silver

329.30.43.51.02.002

43mm NEW
Sale price€9,790 Regular price€10,300
Save €510Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding Blue 43mm
Omega Speedmaster Chronoscope Blue

329.30.43.51.03.001

43mm NEW
Sale price€9,790 Regular price€10,300
Save €510Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding Silver 43mm
Omega Speedmaster Chronoscope Silver

329.30.43.51.02.001

43mm NEW
Sale price€9,790 Regular price€10,300
Save €490Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding White 43mm
Omega Speedmaster Chronoscope White

329.32.43.51.02.001

43mm NEW
Sale price€9,410 Regular price€9,900
Save €490Omega Speedmaster Chronoscope Co-Axial Master Chronometer Chronograph Manual winding Blue 43mm
Omega Speedmaster Chronoscope Blue

329.32.43.51.03.001

43mm NEW
Sale price€9,410 Regular price€9,900
Save €2,060Omega Speedmaster Manual winding Blue 40mm
Omega Speedmaster '57 Blue

332.10.41.51.03.001

40mm NEW
Sale price€8,240 Regular price€10,300
Save €2,530Omega Speedmaster '57 Automatic Black 40,5mm
Omega Speedmaster '57 Black

332.10.41.51.01.001

40mm NEW
Sale price€7,770 Regular price€10,300
Save €2,530Omega Speedmaster '57 Automatic Red 40,5mm
Omega Speedmaster '57 Red

332.10.41.51.11.001

40mm NEW
Sale price€7,770 Regular price€10,300
Save €510Omega Speedmaster '57 Manual winding Green 40,5mm
Omega Speedmaster '57 Green

332.10.41.51.10.001

40mm NEW
Sale price€9,790 Regular price€10,300
Save €2,430Omega Speedmaster '57 Automatic Black 40,5mm
Omega Speedmaster '57 Black

332.12.41.51.01.001

40mm NEW
Sale price€7,470 Regular price€9,900
Save €490Omega Speedmaster '57 Manual winding Blue 40,5mm
Omega Speedmaster '57 Blue

332.12.41.51.03.001

40mm NEW
Sale price€9,410 Regular price€9,900
Save €2,470Omega Speedmaster '57 Automatic Green 40,5mm
Omega Speedmaster '57 Green

332.12.41.51.10.001

40mm NEW
Sale price€7,430 Regular price€9,900
Save €2,030Omega De Ville Tresor Co-Axial Master Chronometer Power Reserve Automatic Silver 40mm
Omega De Ville Trésor Silver

435.13.40.22.06.001

40mm NEW
Sale price€7,070 Regular price€9,100
Save €2,230Omega De Ville Tresor Co-Axial Master Chronometer Power Reserve Manual winding Black 40mm
Omega De Ville Trésor Black

435.13.40.22.01.001

40mm NEW
Sale price€6,870 Regular price€9,100
Save €2,090Omega De Ville Tresor Co-Axial Master Chronometer Manual winding Blue 40mm
Omega De Ville Trésor Blue

435.13.40.21.03.002

40mm NEW
Sale price€6,410 Regular price€8,500
Save €2,090Omega De Ville Tresor Co-Axial Master Chronometer Automatic Grey 40mm
Omega De Ville Trésor Grey

435.13.40.21.06.001

40mm NEW
Sale price€6,410 Regular price€8,500
Save €3,350Omega De Ville Tresor Co-Axial Master Chronometer Manual winding Silver 40mm
Omega De Ville Trésor Silver

435.18.40.21.02.001

40mm NEW
Sale price€10,750 Regular price€14,100
Save €3,940Omega De Ville Co-Axial Master Chronometer Gangreserve Automatic Green 41mm
Omega De Ville Prestige Green

434.53.41.21.10.001

41mm NEW
Sale price€12,660 Regular price€16,600
Save €3,940Omega De Ville Co-Axial Master Chronometer Gangreserve Automatic Silver 41mm
Omega De Ville Prestige Silver

434.53.41.21.02.001

41mm NEW
Sale price€12,660 Regular price€16,600
Save €2,630Omega De Ville Co-Axial Master Chronometer Gangreserve Automatic Silver 41mm
Omega De Ville Prestige Silver

434.20.41.21.02.001

41mm NEW
Sale price€9,170 Regular price€11,800
Sold outSave €9,770Omega Speedmaster Moonwatch Moonphase Chronograph 44,5mm
Omega Speedmaster Moonwatch Moonphase Black

304.63.44.52.01.001

44mm NEW
Sale price€31,330 Regular price€41,100