De Bethune 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.

    Functions : Dual front and back display of hours and minutes, seconds, 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
    Hands : Hand-polished and blued titanium for hours and minutes with polished inserts, ultra-light de bethune 30’’ tourbillon in titanium
    Case : 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 : 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
    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
    Movement : - 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
    Strap : Extra-supple alligator leather, alligator lining