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DB28

XP Steel Wheels

Reference: DB28XPSW

De Bethune launches today the DB28XP Steel Wheels. A constant evolution of De Bethune creations in their most contemporary form. The architecture and technicality of the DB28 Steel Wheels movement revealed in the DB28XP's extra-flat titanium case. A limited edition of 25 pieces only

functions

Hours, Minutes 

display

Dial: Polished titanium hours ring with polished blued titanium spherical hour-markers, Circular satin-brushed titanium minutes ring,Titanium barrel bridge and triangular central bridge guards with sandblasted and polished chamfered contours, Polished titanium dial base and «microlight» decoration

Hands:  Polished blued titanium hands

case

Polished grade 5 titanium with “microlight” case middle  – diameter 43 mm – thickness 7,2 mm 

Attachments:
Polished grade 5 titanium floating lugs , De Bethune Patent (2006)

Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 12 o’clock, setting in two positions

Back:
Screwed case back. Opened on a linear power reserve indicator , sapphire
crystal (1800 Vickers hardness) with double anti-reflective coating

calibre

DB2115V11 calibre

Movement:
Mechanical hand-wound 

Diameter 30 mm – 234 parts – Hand-crafted finishing and decoration

- 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
- Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)

Jewelling:
36 jewels

Frequency:
28,800 vibrations per hour

Power reserve:
6 days

strap

Extra-supple alligator leather, alligator lining

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