DB28 Steel wheels
The DB28 Steel Wheels, limited to 5 pieces, is placed under the sign of transparency and light by opening its dial wide to the hypnotic architecture of its movement. Faithful to the codes of its predecessors, it perpetuates the House's heritage: a bold aesthetic and an exceptional mechanism.
Hours, minutes. Spherical moon phase indication at 6 o’clock. Power reserve situated on the back.
Sapphire hours hand rimmed with steel minutes hand in hand-polished steel.
Circular-grained blued titanium hours ring. Moon phase bezel titanium hours-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)
Blued polished grade 5 titanium. Diameter: 42.6mm-Thickness: 9.3mm
Short or long floating lugs in blued polished grade 5 titanium-De Bethune Patent (2006)
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Screwed case back that opens on a linear power reserve indicator in blued steel sapphire crystal with double anti-reflective coating (1800 Vickers).
Mechanical hand-wound movement.
Diameter 30 mm – 272 parts – Concave polished grade 5 titanium plate cover-Handmade blued 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)
Extra supple alligator leather, alligator lining