DB25LT
Collectors and lovers of fine watchmaking will appreciate the refined elegance of a classic timepiece as much as the discreet wearing of a highly technological power and accuracy movement.
Hours – minutes – spherical moon-phase indication – tourbillion with 30-second indication
Hands:
curved, in hand-polished flame-blued steel
Dial:
5N rose gold – hand-guilloché with 12 radiating sectors – De Bethune star-studded sky in mirror-polished flame-blued steel set with yellow gold stars with spherical moon-phase indication in platinum and flame-blued steel at 12 o’clock.
Platinum – drum-shaped – diameter 44 mm – thickness 11.60 mm
Attachments
Fixed and hollowed lugs
Glass
Sapphire crystal, 1800 Vickers with double anti-reflective treatment
Back
Open – sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment – DB2519 calibre – De Bethune 30″ silicon/titanium Tourbillon 36,000 vph
DB2519 Caliber
Movement
Mechanical hand-wound movement.
Diameter 30 mm – 281 parts – hand-crafted finishing and decoration – Côtes De Bethune – chamfered and hand-polished steel components.
Self-regulating twin barrel – De Bethune Innovation (2004)
Silicon/white gold balance – De Bethune Patent (2010)
Balance-spring with flat terminal curve – De Bethune Patent (2006)
Silicon escape-wheel.
Ultra-light De Bethune 30’’ tourbillon in silicon and titanium – De Bethune Innovation (2008)
Jewelling
31 jewels
Frequency
36’000 vibrations/hour
Power reserve
5 days
Extra-supple alligator leather, alligator lining
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