Current collection

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

Hands
Sapphire hours hand rimmed with flame-blued steel minutes hand in hand-polished flame-blued steel.
Dial
Circular-grained titanium hours ring.
Moon phase bezel in polished blued titanium.
Spherical polished titanium hour markers set on a blued polished titanium circle. Spherical moon phase indication in palladium and flame-blued steel with an accuracy of one lunar day every 122 years at 6 o’clock-De Bethune Patent (2004)

Polished grade 5 titanium. Diameter: 42.6mm-Thickness: 9.3mm
Attachments
Short or long floating lugs in polished grade 5 titanium – De Bethune Patent (2006)
Glass
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Back
Screwed case back in grade 5 polished titanium that opens on a linear power reserve indicator in blued steel sapphire crystal with double anti-reflective coating (1800 Vickers).

DB2115V4 Caliber

Movement
Mechanical hand-wound movement

Diameter 30 mm – 272 parts – Concave polished grade 5 titanium plate cover-Handmade mirror-polished grade 5 titanium motion works bridge-Barrels bridge adorned with “Côtes De Bethune” and “microlight” engraving-Open worked hand sailed barrels-Rhodium power reserve indicator background decorated with “De Bethune” circular graining-Blued and engraved ring.
Self-regulating twin barrel-De Bethune Innovation (2004)
Titanium balance wheel with white gold inserts, optimized for temperature differences and air penetration-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)
Blued triple pare-chute shock-absorbing system-De Bethune Innovation (2005)
Jewelling
35 jewels
Frequency
28’800 vibrations/hour
Power reserve
6 days

Extra-supple alligator leather, alligator lining