IWC · Movement
IWC caliber 81905
Ref. 81905
The IWC caliber 81905 is a handwound movement with a 84-hour power reserve, beats at 28,800 vph, and carries 20 jewels.
Hand-wound movement with [hacking] tourbillon.
- Type
- Handwound
- Display
- Analog
- Power reserve
- 84 h
- Frequency
- 28800 vph
- Jewels
- 20
- Complications
- Hours, Minutes, Tourbillon Escapement
