Current collection

  • De Bethune
  • De Bethune

DB28 Tourbillon Deadbeat Seconds

Reference: DB28STTS5PN

The noble traditions of mechanical watchmaking are subtly celebrated and reinterpreted in a contemporary masterpiece imbued with a blend of ancestral know-how and the latest technical and scientific breakthroughs. The DB28 Tourbillon Dead Beat Seconds is nurtured by a horological culture and philosophy that De Bethune share and perpetuate in a resolutely avant-garde manner.

functions

Hours, Minutes, Central Deadbeat Second, 30’’ indicator via the ultra-light De Bethune tourbillon cage and Power reserve at 6 o’clock

display

Dial:
Grained and engraving sterling silver chapter ring bearing Roman numerals and a minute circle with Arabic numerals – Ultra-light De Bethune 30’’ tourbillon in silicon and titanium at 6 o’clock – Power reserve indication at 6 o’clock

Hands:
Hand-polished steel 

case

Mirror-polished grade 5 titanium, platinum bezel – diameter 45 mm – thickness 11,2 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 12 o’clock, setting in two positions

Back:
Closed back in mirror-polished grade 5 titanium

calibre

DB2119 calibre

Movement:
Mechanical hand-wound 

Diameter 30 mm – 333 parts – Black plate and barrel bridge cover adorned with “Côtes De Bethune” – Hand snailed barrels – Frame of the barrel bridge in sandblasted black steel –  Hand-polished, 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
- Ultra-light De Bethune 30’’ tourbillon in silicon and titanium, De Bethune Innovation (2008)
- De Bethune Deadbeat Second, De Bethune Innovation (2011)

Jewelling:
45 jewels

Frequency:
36,000 vibrations per hour

Power reserve:
4 days

strap

Extra-supple alligator leather, alligator lining

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