Omega caliber 8605 watch movement

Omega Caliber 8605

Caliber Number8605
Movement TypeAutomatic, Chronograph
Power Reserve60 hours
Vibrations Per Hour28,800bph
HairspringSilicon Si14
Shock SystemNivachoc
FeaturesCo-Axial Escapement, date, GMT hand
Country of ManufactureSwitzerland
Known ModelsPlanet Ocean GMT

From the Omega site:

Self-winding movement with Co-Axial Escapement for greater precision, stability and durability. GMT with time zone function. Silicon balance-spring on free sprung-balance, 2 barrels mounted in series, automatic winding in both directions to reduce winding time. Rhodium-plated balance bridge and oscillating mass, luxury finish with exclusive Geneva waves in arabesque.



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