Omega · Movement
Omega caliber 8421
Ref. 8421
8521 sans date. Self-winding movement with Co-Axial Escapement for greater precision, stability and durability. Free sprung-balance system with silicon balance-spring. Automatic winding in both directions to reduce winding time. Oscillating mass and balance bridge in 18 Ct red gold. Luxury finish with exclusive Geneva waves in arabesque.
- Type
- Automatic
- Display
- Analog
- Power reserve
- 50 h
- Frequency
- 25200 vph
- Complications
- Chronometer, Co-Axial Escapement, Hours, Minutes, Seconds
- Base caliber
- Omega caliber 8521
Used in
14 models
OmegaConstellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Moon
123.55.27.20.55.0050 listings
OmegaConstellation Co-Axial 27 Brushed Red Gold / Diamond / Diamond Wave
123.55.27.20.55.0060 listings
OmegaConstellation Co-Axial 31 Red Gold / Snow / Diamond Supernova
123.55.31.20.55.0080 listings
OmegaConstellation Co-Axial 31 Red Gold / Snow / Diamond Supernova
123.55.31.20.55.0060 listings
OmegaConstellation Co-Axial 31 Red Gold / Snow / Diamond Supernova
123.55.31.20.55.0100 listings
OmegaConstellation Co-Axial 31 White Gold / Snow / Diamond Supernova
123.55.31.20.55.0090 listings
OmegaConstellation Co-Axial 31 White Gold / Snow / Diamond Supernova
123.55.31.20.55.0070 listings
OmegaConstellation Co-Axial 31 White Gold / Snow / Diamond Supernova
123.55.31.20.55.0110 listings
OmegaLadyMatic Co-Axial 34 Red Gold Diamond / Diamond Flower
425.67.34.20.55.0060 listings
OmegaLadyMatic Co-Axial 34 Sedna Gold / Diamond / Flower MOP
425.67.34.20.55.0090 listings
OmegaLadyMatic Co-Axial 34 White Gold / Pearls and Diamonds
425.65.34.20.55.0130 listings
OmegaLadyMatic Co-Axial 34 Yellow Gold Diamond / Diamond Flower
425.67.34.20.55.0050 listings
OmegaSeamaster Aqua Terra 150M Co-Axial 30 White Gold / Baguette / Baguette / Bracelet
231.55.30.20.99.0030 listings
OmegaSeamaster Aqua Terra 150M Co-Axial 30 White Gold / Diamond / MOP / Bracelet
231.55.30.20.55.0030 listings