Current collection

Hours, Minutes, jumping seconds, 30’’ indicator via the ultra-light
De Bethune tourbillon cage on case back

Dial:
De Bethune star-studded sky in blued and polished meteorite with
hand-fitted white gold pins depicting the stars. Milky Way patterns gilded with 24-carat gold leaf. Silver-toned hours and minutes ring

Hands:
in hand-polished steel

Polished grade 5 titanium – diameter 42 mm – thickness 10,3 mm 

Attachments:
Integrated, hollowed lugs

Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment

Back:
Open back, De Bethune 30 " silicon/titanium Tourbillon, 36,000 vph – central jumping seconds
Sapphire crystal (1800 Vickers hardness) with double anti-reflective coating

DB2109V4 calibre

Movement:
mechanical hand-wound

Diameter 30 mm – 260 parts – Silver plate and barrel bridge cover polished – 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
- Ultra-light De Bethune 30’’ tourbillon in titanium, De Bethune Innovation (2008)
- De Bethune Dead Beat Second, De Bethune Innovation (2011)
Jewelling:
43 jewels

Frequency:
36,000 vibrations per hour

Power reserve:
4 days

Extra-supple alligator leather, alligator lining