DB28 Dark Shadows Technical Details

Name: DB28 Dark Shadows
Reference: DB28ZDSC8N

Functions: Hours, Minutes, Spherical moon phase indication at
6 o’clock, Performance indication between 2 and
3 o’clock
Movement: DB2115
Type: Mechanical hand-wound movement
Adjustment: Winding and setting the time by means of the crown (2 positions)

Technical features of calibre DB2115
Number of parts: 295
Jewelling: 36 jewels
Diameter: 30 mm
Power reserve: 6 days, ensured by a self-regulating twin barrel
De Bethune Innovation (2004)

Specificities: Silicon and white gold balance wheel
De Bethune Patent (2010)

"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)

Frequency: 28,800 vibrations per hour

Adornment: hand-crafted finishing and decoration
black mirror-polished steel parts
Côtes De Bethune

Display:
Display: black polished steel hands
De Bethune spherical moon-phase indication in palladium and anthracite zirconium polished at 6 o’clock
Performance indication between 2 and 3 o’clock

Dial: black – anthracite zirconium mirror polished hours ring
spherical hour-marker in black mirror-polished – black steel parts – matt black ruthenium

Case and strap:
Case material: Sandblasted anthracite zirconium
Case diameter: 42.6 mm
Case thickness: 9,2 mm
Lugs: Long floating lugs in sandblasted anthracite zirconium – De Bethune Patent (2006)
Crystal: In sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Case back: open – 6-day power-reserve indication – rack in pink gold
Water resistance: 10 ATM
Strap: Extra-supple alligator leather strap
Buckle: Pin buckle in anthracite zirconium