
The Omega caliber 8915 is a self-winding mechanical movement with a Co-Axial escapement, managing central hours, minutes, and a time-zone function. Operating at 25,200 vibrations per hour, it includes a silicon-sprung free-sprung balance, two series-mounted barrels, and bidirectional automatic winding. This METAS-certified Master Chronometer is resistant to 15,000 gauss and features a balance bridge with Geneva waves in arabesque, paired with a precious metal rotor—available in 18K Moonshine Gold or 18K Sedna Gold with matching medallions, or an 18K Sedna Gold rotor with a hand-enamelled white gold medallion depicting the Constellation Observatory.