DB28
Tourbillon
Reference:
DB28TTIS8
De Bethune is revisiting its classics and reasserting its identity codes through the DB28 collection, a strongly identifiable timepiece endowed with the signature House style features and conveying its resolutely avant-garde vision of the watchmaking art. The wearer comfort of the DB28 stems from the surprising lightness, and to the presence of “floating lugs”, a patented system that easily adjusts to the size of the wrist and its various movements with the lightest tourbillon in the world.
functions
Hours, Minutes, 30’’ indicator via the ultra-light De Bethune tourbillon cage at 6 o’clock, Power reserve situated on the back
display
Dial:
Black in mirror-polished steel – Mirror-polished and silver-toned minutes ring – Black hour ring with black mirror-polished steel markers – Ultra-light De Bethune 30’’ tourbillon in silicon and titanium at 6 o’clock
Hands:
Hand-polished stainless steel
Black in mirror-polished steel – Mirror-polished and silver-toned minutes ring – Black hour ring with black mirror-polished steel markers – Ultra-light De Bethune 30’’ tourbillon in silicon and titanium at 6 o’clock
Hands:
Hand-polished stainless steel
case
Polished grade 5 titanium – diameter 42.6 mm – thickness 9.20 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:
Open back in polished grade 5 titanium that opens on a linear power reserve in rose gold 5N
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating
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:
Open back in polished grade 5 titanium that opens on a linear power reserve in rose gold 5N
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating
calibre
DB2019 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 282 parts – Black polished steel motion-work bridge and barrel bridge – Ruthenium plate cover adorned with “Côte De Bethune”– Hand-snailed barrels – 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)
Jewelling:
38 jewels
Frequency:
36,000 vibrations per hour
Power reserve:
5 days
Movement:
Mechanical hand-wound
Diameter 30 mm – 282 parts – Black polished steel motion-work bridge and barrel bridge – Ruthenium plate cover adorned with “Côte De Bethune”– Hand-snailed barrels – 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)
Jewelling:
38 jewels
Frequency:
36,000 vibrations per hour
Power reserve:
5 days
strap
Extra-supple alligator leather, alligator lining
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