english

русский

中文 繁體字

中文





Movement: mechanical hand-wound movement


Functions: hours – minutes – spherical moon-phase indication at 12 o’clock – Ultra-light De Bethune 30 ‘’ silicon/titanium Tourbillon 36,000 vph on the back at 9 o'clock


Diameter 30 mm – 281 parts – hand-crafted finishing and decoration – Côtes De Bethune – chamfered and hand-polished steel components


Self-regulating twin barrel*
Silicon/white gold balance wheel – balance-spring with flat terminal curve*
Ultra-light De Bethune 30 ‘’ silicon/titanium Tourbillon 36,000 vph*
Spherical moon-phase indication accurate to a degree of one lunar day every 1112 years*
Silicon escape wheel*


Jewelling: 31 jewels
Frequency: 36,000 vibrations per hour
Power reserve: 5 days

* - Manufacture De Bethune patents and innovations


BACK

© 2013 DE BETHUNE SA WEB SITE CREDITS