About this caliber
Hand-wound movement with a diameter 30 mm and a total of 160 parts – silver plate and barrel bridge cover adorned with "Côtes de Bethune" – hand-snailed barrels – hand-polished, chamfered steel parts
- self-regulating twin barrel, De Bethune innovation (2004)
- titanium balance wheel with white gold inserts, De Bethune patent (2016)
- "De Bethune" balance-spring with flat terminal curve, De Bethune patent (2006)
- silicon escape wheel
- triple pare-chute shock-absorbing system, De Bethune innovation (2005)
Technical details
- Movement
- -
- Display
- Analog
- Jewels
- 27
- Power reserve
- 144 hours
- Frequency
- 28,800 vph (4.0 Hz)
- Hands
- Hands: Hours, Minutes
- Diameter
- 30 mm
- Height
- -
- Parts
- -