De Bethune unveils its first automatic calibre with the DB20 model. A new automatic timepiece with a calendar function.
Hours, minutes, calendar at 6 o’clock, power-reserve indicator at 12 o’clock.
Hands De Bethune’s shape in stainless blued steel and hand-polished.
Blued titanium dial, index on the bezel made by spheres in blued titanium, minutes scale around the bezel with titanium little spheres every 10 minutes, central part of the dial in steel decorated “Côtes de Genève” which displays the power reserve and the small dial of the calendar function in light blued steel at 6 o’clock.
Grade 5 titanium, diameter: 45mm.-thickness: 11mm.
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Open case back with sapphire crystal with double anti-reflective coating (1800 Vickers).
Mechanical self-winding movement.
Diameter 30 mm – Mechanism is hand-decorated, all steel parts hand-decorated and polished.
Self-regulating twin barrel – De Bethune Innovation (2004)
Titanium/platinum balance – De Bethune Patent (2005)
Balance-spring with flat terminal curve – De Bethune Patent (2006)
Triple pare-chute shock-absorbing system-De Bethune Innovation (2005)
Titanium and platinum oscillating weight
Extra-supple alligator leather, alligator lining