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  • De Bethune
  • De Bethune
  • De Bethune
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  • De Bethune
  • De Bethune
  • De Bethune
  • De Bethune
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  • De Bethune

DB28

Skybridge

Reference: DB28CEN / S

A nocturnal window on infinity, the DB28 Skybridge features a whole host of astonishing shimmering effects, in turn brilliant or intensely radiant with the blue that has been a House signature from its creation. An eminent reference to the famous 18th century clocks, this star-studded sky derives its power and beauty from its concave shape and its multiple decorations crafted in the company workshops.

functions

Hours, Minutes, Spherical moon phase indication at 6 o’clock

display

Dial:
De Bethune star-studded sky in blued and polished titanium with hand-fitted white gold and diamonds pins depicting the stars – Mirror-polished steel spherical hour-markers – Sandblasted silver minutes ring – spherical moon-phase indication in palladium and flame-blued steel at 6 o'clock 

Hands:
Mirror-polished flame-blued stainless steel

case

Polished grade 5 titanium – diameter 45 mm – thickness 11,5 mm 

Attachments:
Short or long floating lugs in mirror-polished grade 5 titanium, De Bethune Patent (2006)

Glass:
Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown at 3 o’clock, setting in three positions

Back:
Open back in polished grade 5 titanium
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating

calibre

DB2105 calibre

Movement:
Mechanical hand-wound 

Diameter 30 mm – 242 parts – Curved, mirror-polished and blued grade 5 titanium plate cover –  Mirror-polished grade 5 titanium barrel bridge cover – Hand-polished, flame-blued and chamfered steel parts

- Self-regulating twin barrel, De Bethune Innovation (2004)
- Silicon annular balance encircled by a white gold ring, 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)
- Blued triple pare-chute shock-absorbing system, De Bethune Innovation (2005)

Jewelling:
27 jewels

Frequency:
28,800 vibrations per hour

Power reserve:
6 days

strap

Extra-supple alligator leather, alligator lining

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