Model overview Ref. No.
311.30.44.51.01.001
Model series
Speedmaster Co-Axial Chronometer
Style
Men's watch, Astronaut model
Warranty
5 years Authorized International Warranty
Movement Movement
Automatic winding, Co-Axial 3612
Case Color & finish
Brushed and polished
Case back
Scratch-proof sapphire crystal
Glass
Scratch-proof sapphire crystal
Strap Buckle
Folding clasp, Steel
Alternative model numbers 311.30.44.51.01.001, 31130445101001