Seamaster Diver 300m Co‑Axial Master Chronometer Chronograph 44mm O21030445101001

This 44 mm chronograph model is crafted from stainless steel and includes a polished black ceramic bezel with a white enamel diving scale. The pushers are also polished black ceramic, as well as the dial which features laser-engraved waves and a date window at 6 o’clock.

The subdial hands are rhodium-plated, along with all other hands and indexes which are filled with white Super-LumiNova.

The watch is presented on a stainless steel bracelet and is driven by the OMEGA Master Chronometer Calibre 9900, which can be seen through the sapphire-crystal on the wave-edged caseback.

All OMEGA watches are delivered with a 5-year warranty that covers the repair of any material or manufacturing defects. Please refer to the operating instructions for specific information about the warranty conditions and restrictions.
 

Movement

Calibre: Omega 9900 Self-winding chronograph with column wheel and CoAxial escapement.

Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand, 12-hour and 60-minute recorders. Rhodium plated finish with Geneva waves in arabesque.

Power reserve: 60 hours
 

Crystal

Domed scratch-resistant sapphire crystal with antireflective treatment on both sides
 

Water Resistance

30 bar (300 metres / 1000 feet)
 

Watch Case & Dial

Case: Steel

Case Diameter: 44 mm

Between lugs: 21 mm

Thickness: 17.2 mm

Dial Colour: Black

Total product weight (Approx.): 225 g
 

Bracelet

Material: Steel

Type of Clasp: Fold over clasp with comfort setting and diver extension
 

Features

Anti-magnetic, chronograph, chronometer, date, master chronometer certified, helium escape valve, screw-in crown, small seconds, transparent case back, unidirectional rotating bezel, time zone function