- Mechanical Swiss Made Tourbillon lever movement 131⁄4
- Double barrel
- Retrograde Date
- Time reserve indicator
- Time reserver over 120h
- Cage, 1 revolution in 1 minute
- Hand winding
- Hour, Minute,
- 34 jewels
- Frequency : 4 Hz (28’800 A/h)
X-Treme Tourbillon Britannia
