Model overview Ref. No.
331.12.42.51.01.002
Model series
Speedmaster 57 Co-Axial Chronograph 41.5mm
Style
Men's watch, dress watch
Warranty
5 years Authorized International Warranty
Movement Movement
Automatic winding, omega in-house, omega 9300 Co-Axial
Case Case back
Scratch resistant sapphire crystal
Glass
Scratch resistant sapphire crystal
Strap Buckle
Folding clasp, steel
Functions Separate seconds dial
Yes
Alternative model numbers 331.12.42.51.01.002, 33112425101002