Hours, Minutes, Spherical moon phase indication at 6 o’clock, Power reserve situated on the back, Performance indication between 2 and 3 o’clock
Dial:
Mirror-polished steel hours ring – Polished steel hour-markers –Mirror-polished and silver-toned minutes ring – spherical moon-phase indication in palladium and flame-blued steel at 6 o'clock – Performance indicator between 2 and 3 o’clock
Hands:
Hand-polished stainless steel
Rose gold 5N – diameter 42.6 mm – thickness 9,3 mm
Attachments:
Short or long floating lugs in anthracite zirconium , De Bethune Patent (2006)
Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 3 o’clock, setting in two positions
Back:
Open in polished rose gold 5N that opens on a linear power reserve in rose gold 5N,
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating
DB2115V4 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 297 parts – Black hand polished steel motion-work bridge – Black plate and barrel bridge cover adorned with “Côtes De Bethune” – Black circular-grained power reserve decoration – Hand-polished, chamfered steel parts
- 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
- Spherical moon phase indication accurate to a degree of one lunar day every 122 years, De Bethune Patent (2004)
- Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)
Jewelling:
38 jewels
Frequency:
28,800 vibrations per hour
Power reserve:
6 days
Extra-supple alligator leather, alligator lining