Table clocks or grandfather clocks, pocket watches and now wristwatches: the very essence of this horological culture graces the dial of the DB25T, notably in the aesthetic work on materials, the engraving and the light effects, but also and above all through consistently demonstrated miniaturization technology. Further enhancing this intensely private performance visible exclusively on the back of the watch, its tourbillon 30’’. Limited edition of 20 pieces.
Hours, minutes, central jumping seconds – movement operating indicator at 12 o’clock – 30’’ indicator via the ultra-light De Bethune tourbillon cage on case back.
Yellow gold hours and minutes hand, jumping seconds hand in hand-polished and blued steel.
Guilloché silver-toned – Silver-toned hours and minutes rings – De Bethune star-studded sky in blued mirror-polished titanium inlaid with solid white gold stars, featuring solid gold inserts hand-engraved representing the 12 zodiac signs.
White gold. Diameter: 44mm – Thickness: 10.6mm
Integrated hollowed lugs.
Sapphire crystal with double anti-reflective coating (1800 Vickers).
Open – De Bethune 30" silicon/titanium Tourbillon, 36,000 vph – central jumping seconds Calibre DB2109
Mechanical caliber with manual winding.
Diameter 30mm – 330 parts – hand-crafted finishing and decoration – Côtes De Bethune – blued titanium bridges and parts
Self-regulating twin barrel – De Bethune Innovation (2004)
Titanium/platinum balance – De Bethune Patent (2010)
Balance-spring with flat terminal curve – De Bethune Patent (2006)
Ultra-light De Bethune 30’’ tourbillon in silicon and titanium-De Bethune Innovation (2008)
De Bethune Dead Beat Second – De Bethune Innovation (2011)
Extra-supple alligator leather, alligator lining