Caliber 321

GPTKB entity

Statements (22)
Predicate Object
gptkbp:instanceOf mechanical watch movement
gptkbp:basedOn gptkb:Lemania_2310
gptkbp:diameter 27 mm
gptkbp:features Breguet overcoil
column wheel chronograph
monometallic balance
gptkbp:frequency 18,000 vibrations per hour
gptkbp:height 6.74 mm
https://www.w3.org/2000/01/rdf-schema#label Caliber 321
gptkbp:introducedIn 1946
gptkbp:jewels 17
gptkbp:manufacturer gptkb:Omega
gptkbp:notableFor used in watches worn on the Moon
gptkbp:powerReserve 44 hours
gptkbp:restored Omega in 2019
gptkbp:successor gptkb:Caliber_861
gptkbp:type manual-winding chronograph movement
gptkbp:usedIn gptkb:Omega_Speedmaster
gptkb:Omega_Seamaster
Omega Railmaster
gptkbp:bfsParent gptkb:Speedmaster_Professional
gptkbp:bfsLayer 7