Current collection

Hours, Minutes, Spherical moon phase indication at 6 o’clock, Power reserve situated on the back

Dial: Circular-grained titanium hours ring, Moon phase bezel in polished browned titanium, Spherical polished titanium hour-markers set on a browned polished titanium circle, Spherical moon phase indication in palladium and flamebrowned
steel

Hands: Hours and minutes hands in flame-browned steel

Yellow polished grade 5 titanium – diameter 42.6 mm – thickness 9,3 mm 

Attachments:
Floating lugs in browned polished grade 5 titanium, De Bethune Patent (2006)

Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 12 o’clock, setting in two positions

Back:
Screwed case back in grade 5 polished titanium that opens on a linear power reserve indicator in browned steel, Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating

DB2115V4 calibre

Movement:
Mechanical hand-wound 

Diameter 30 mm – 275 parts – Yellow polished grade 5 titanium plate cover – Yellow polished grade 5 titanium plate cover Handmade yellow grade 5 titanium motion works bridge Barrels bridge adorned with “Côtes De Bethune” in yellow
titanium – Rhodium circular-grained power reserve decoration – 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
- Spherical moon phase indication accurate to a degree of one lunar day every 122 years, De Bethune Patent (2004)
- Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)

Jewelling:
35 jewels

Frequency:
28,800 vibrations per hour

Power reserve:
6 days

Extra-supple alligator leather, alligator lining