Omega Caliber 8403

Skeletonized movement based on the 8500 architecture.

Calibre: OMEGA 8402
Self‑winding chronometer movement with Co‑Axial escapement. Free sprung‑balance equipped with Si14 silicon balance spring. Two barrels mounted in series, automatic winding in both directions. Oscillating mass and balance bridge in 18 Ct red gold. Red gold galvanic plated wheels of the gear train. Bridges, barrels and main plate are skeletonised. Beveling and assembling of the movement are done by hand.
Power reserve: 60 hours
Type: Self winding