Dual front and back display of hours and minutes, jumping seconds, Second time zone (GMT)
Contemporary single-sided display
Display: Polished titanium hours and minutes indication Minute indication on the periphery Hour indication centered around the balance wheel at 6 o'clock
Dial: Silver hour ring with polished blued index Silver colour minute ring with blue transfer
Classic reverse side display
Display: hand-polished and blued titanium hands for hours, minutes and dead beat seconds
Dial: Dial silvered and relief, with convex levels and guilloché central part
Polished grade 5 titanium – diameter 43.3 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
DB2517 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 394 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
- De Bethune Dead Beat Second De Bethune Innovation (2011)
- GMT allowing to adjust 2 time zones, different on each side
Jewelling:
58 jewels
Frequency:
36,000 vibrations per hour
Power reserve: 4 days
Extra-supple alligator leather, alligator lining