Tourbillon 3D · tourbillon
Tourbillon 3D
Minute tourbillon, hand-engraved
2004Tourbillon
Technical details
Technical details
- Mechanical – hand wound
- Calibre based on ETA Unitas 6498-1 – heavily modified
- Minute tourbillon
- Hand-engraved and decorated movement – visible through crystal back
- Screw balance with “Triovis” regulation system
- Escapement parts in chronometer quality
- Indication of hours and minutes
- 17 jewels
- Power reserve after being fully wound: approx. 44 hours
- 69 maintenance-relevant parts