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Moonwatch Movements - SpeedyWatches
Caliber 321 Manual-wind chronograph, counters for 60 seconds, 30 minutes and 12 hours, column-wheel, sub second. Base caliber Lemania CH27 C12. Also known as Omega 27CHRO C12 T2. Diameter: 12”’/ 27.0mm Height: 6.74mm Jewels: 17 Bph: 18000 A/h Power reserve: 44h Replaced by Caliber 861 around 1968-1969 Caliber 861 Manual-wind chronograph, counters for 60 seconds, 30 minutes, 12 …