Omega Seamaster Diver 300m Co-Axial Master Chronometer Chronograph 44mm 210.30.44.51.03.001

• Brushed stainless steel case with polished beveled corners.
• Polished stainless steel crowns.
• Blue ceramic chrono buttons.
• Helium escape valve located on the case edge at the 10 o’clock position.
• Bezel:
• Stainless steel with polished Blue ceramic fill.
• White enamel diving scale.
• Luminous dot at the starting point.
• Dial:
• High gloss blue zirconium oxide ceramic dial, [ZrO2] engraved on the dial directly below the center hands.
• Laser engraved wave design.
• Applied polished hour markers with luminous fill.
• Fine printed minute/seconds track.
• Skeletonized hour & minute hands.
• Polished hands with luminous fill.
• Date window located at 6 o’clock.
• Small seconds sub-dial located at 9 o’clock.
• Chronograph/Stopwatch Functions:
• Large central seconds hand counter.
• Minute & hour counters are combined into a single sub-dial located at 3 o’clock.
• Movement:
• Omega Master Chronometer caliber 9900, beats at 25,200 vph, contains 54 jewels & has an approximate power reserve of 60 hours, courtesy of its twin barrels mounted in series.
• METAS Certified Master-Chronometer: The assembled watch, with its COSC certified Chronometer movement, passes rigorous tests that replicate real-life conditions. The METAS certification tests water resistance, precision and magnetic resistance.
• Anti-magnetic: resistant to magnetic fields greater than 15,000 gauss.
• Features Omegas Si14 silicon balance spring & co-axial Escapement.
• The rotor & visible bridges are decorated with a unique arabesque wave design finish.

Alternate model # 21030445103001