"Movement DB2109 – mechanical hand-wound with 45 jewels, 36,000 vph and a power reserve of 100 hours. Mainplate hand-decorated and snailed, hand-chamfered and polished steel parts, De Bethune stripes - Natural fired-blue titanium bridge. Self-regulating twin barrel, thermocompensated silicon/platinum balance wheel, balance-spring with flat terminal curve, ltra-light 0.18 gram silicon/titanium tourbillon carriage.
The case, in 18kt rose or white gold, measures 44.5mm x 11mm. It has double AR-coated sapphire crystals.
Dial: De Bethune star-studded sky in blued steel with gold stars – Sterling silver hours and minutes ring. The hands are hand-polished steel. The display back shows the 30-second rotating silicon/titanium tourbillon with jumping seconds. "
Impressionnant je trouve... de la DB dans toute sa splendeur..