Omega caliber 321 B

Brand:Omega
Reference:321 B
Base: Lemania 2310
Movement:Handwound
Display:Analog
Diameter:27.00
Reserve:55
Frequency:18000
Chronograph:Chronograph, Column wheel
Hands:Small Seconds, Hours, Minutes
Omega caliber 321 B

All watches using the Omega 321 B movement:

Omega Speedmaster Professional Moonwatch 321 Platinum / Black / Alligator (311.93.42.30.99.001)

311.93.42.30.99.001 Omega Speedmaster Professional Moonwatch 321 Platinum / Black / Alligator
Omega Speedmaster Moonwatch 39.7 321 (311.30.40.30.01.001)

311.30.40.30.01.001 Omega Speedmaster Moonwatch 39.7 321
Omega Speedmaster 321 38.6 (311.50.39.30.01.001)

311.50.39.30.01.001 Omega Speedmaster 321 38.6