Omega caliber 9901

Brand:Omega
Reference:9901
Base: Omega 9900
Movement:Automatic
Display:Analog
Jewels:54
Reserve:60
Frequency:28800
Date:Date
Chronograph:Chronograph, Column wheel
Hands:Hours, Minutes, Small Seconds
Additionals:Chronometer, Co-Axial Escapement

Description

First of Omega's chronograph movements to receive the new METAS cerfication. Introduced at BaselWorld 2016 in the Omega Seamaster Planet Ocean; replacement for the 9301 movement.

Self-winding chronograph movement with column wheel mechanism and Co-Axial escapement. Movement and watch tested according to Master Chronometer certification process approved by METAS. Resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring on free sprung-balance, 2 barrels mounted in series, automatic winding in both directions, time zone function. Central hour, minute and chronograph seconds hands, small seconds hand and 12-hour and 60-minute recorders. 18K Sedna™ gold rotor and balance bridge with Geneva waves in arabesque.

All watches using this caliber: