Current collection

Hours, Minutes, Spherical moon phase at 6 o’clock. Power reserve indicator situated on the back. Performance indicator between 2 and 3 o’clock

Hands
Hand-polished and flame-blued steel hands.
Dial
Blued grade 5 polished titanium hours ring with rose gold hour-markers. Blued grade 5 satin-polished titanium minutes ring. Spherical moon phase indicator in palladium and flame-blued steel with precision of one lunar day every 122 years at 6 o’clock–De Bethune Patent (2004). Performance indicator between 2 and 3 o’clock.

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

DB2115V4 Caliber

Movement
Mechanical hand-wound movement

Diameter 30 mm – 279 parts – blued grade 5 mirror-polished titanium motion works bridge- Plate cover and bridge cover on the barrel in grade 5 blued titanium, adorned with “Côtes De Bethune” – Barrels decorated with rose-work grinding – Power reserve indicator in grade 5 titanium, hand decorated with “De Bethune” concentric graining and blued by hand – Steel parts bevelled, polished and flame-blued by hand
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
39 jewels
Frequency
28’800 vibrations/hour
Power reserve
6 days

Extra-supple alligator leather, alligator lining