Hours, minutes. Spherical moon phase indication. Power reserve indication on the back
Hands
Curved, hand-polished steel.
Dial
Anthracite – hand-guilloché with 12 radiating sectors. De Bethune star-studded sky in black mirror-polished steel set with yellow gold stars with spherical moon-phase indication in black palladium and blackened zirconium at 12 o’clock.
White gold. Diameter: 44mm – Thickness: 11.30mm
Attachments
Fixed and hollowed lugs.
Glass
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Back
Open, sapphire crystal with double anti-reflective coating (1800 Vickers).
Linear power-reserve indication.
DB2105V1 Caliber
Movement
Mechanical hand-wound movement.
Diameter 30 mm – 307 parts – hand crafted finishing and decoration – Côtes De Bethune – chamfered and hand-polished steel.
Self-regulating twin barrel – De Bethune Innovation (2004)
Titanium/ platinum balance – De Bethune Patent (2008)
Balance-spring with flat terminal curve – De Bethune Patent (2006)
Triple pare-chute shock-absorbing system – De Bethune Innovation (2005)
Spherical moon-phase indication accurate to a degree of one lunar day every 122years – De Bethune Patent (2004)
Silicon escape-wheel.
Jewelling
29 jewels
Frequency
28’800 vibrations/hour
Power reserve
6 days
Extra-supple alligator leather with pin buckle