
DB Kind of Two Tourbillon
De Bethune presents a limited edition of 10 pieces endowed with two faces. Two dials, two identities. A technical and aesthetic exercise that opens up a whole new field of research.
Dual front and back display of hours and minutes, seconds, ultra-light De Bethune 30’’ tourbillon in titanium
Contemporary single-sided display
Display: hand-polished and blued titanium for hours and minutes with polished inserts, Ultra-light De Bethune 30’’ tourbillon in titanium
Dial: Hour ring and 30'' polished titanium dial with shot-blasted stages, blued polished titanium hour-markers, silvered and relief minute dial
Classic reverse side display
Display: hand-polished and blued titanium for hours, minutes and seconds
Dial: dial silvered and relief, with convex levels and guilloché central part
Polished grade 5 titanium – diameter 42.8 mm – thickness 9,5 mm
Attachments:
Floating lugs in mirror-polished grade 5 titanium, De Bethune Patent (2006), with case turning mechanism that can be clearly positioned on the front or back side
Glass doubles-sides:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at noon on the front side, at 6 o'clock on the reverse side, setting in two positions
DB2579 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 256 parts – Motion works bridge and concave cover plate in grade 5 titanium, mirror polished – Polished and chamfered barrel bridge, with shot blasted stages – Hand snailed barrels
- Self-regulating twin barrel, De Bethune Innovation (2004)
- Titanium balance wheel with white gold inserts, De Bethune Patent (2016)
- "De Bethune" balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel
- Ultra-light De Bethune 30’’ tourbillon in titanium, De Bethune Innovation (2008)
Jewelling:
32 jewels
Frequency:
36,000 vibrations per hour
Power reserve:
5 days
Extra-supple alligator leather, alligator lining