Model overview Ref. No.
311.30.44.51.01.002
Model series
Speedmaster Moonwatch Co-Axial Chronograph 44.25mm
Style
Men's watch, Astronaut model
Warranty
5 years Authorized International Warranty
Movement Movement
Automatic winding, Omega in-house, 9300 Co-Axial, Si14
Case Case back
Scratch-proof sapphire crystal
Bezel
Aluminum, Black, Fixed
Glass
Scratch-proof sapphire crystal
Strap Buckle
Folding clasp, Steel
Functions Separate seconds dial
Yes
Alternative model numbers 311.30.44.51.01.002, 31130445101002