DB28 Kind of Blue
Reference:
DB28BMW
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.
functions
Hours, Minutes, Spherical moon phase indication at 6 o’clock, Power reserve situated on the back, Performance indication between 2 and 3 o’clock
display
Dial:
Mirror-polished and blued grade 5 titanium with a Milky Way patterns produced by laser beam micro milling, gilded with 24-carat gold leaf – Polished steel hour-markers – Silver silken minute ring – spherical moon-phase indication in palladium and flame-blued steel at 6 o'clock – Performance indicator between 2 and 3 o’clock
Hands:
Hand-polished and flame-blued steel
Mirror-polished and blued grade 5 titanium with a Milky Way patterns produced by laser beam micro milling, gilded with 24-carat gold leaf – Polished steel hour-markers – Silver silken minute ring – spherical moon-phase indication in palladium and flame-blued steel at 6 o'clock – Performance indicator between 2 and 3 o’clock
Hands:
Hand-polished and flame-blued steel
case
Mirror-polished grade 5 titanium – diameter 42.6 mm – thickness 9,3 mm
Attachments:
Short or long floating lugs in blued 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 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 blued 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 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
DB2115V4 calibre
Movement:
Mechanical hand-wound
Diameter 30 mm – 297 parts – Mirror- polished steel motion-work bridge – Ruthenium plate and barrel bridge cover adorned with “Côtes De Bethune” – Ruthenium circular-grained power reserve decoration – Hand-polished, chamfered steel parts
- 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
- 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)
Jewelling:
38 jewels
Frequency:
28,800 vibrations per hour
Power reserve:
6 days
Movement:
Mechanical hand-wound
Diameter 30 mm – 297 parts – Mirror- polished steel motion-work bridge – Ruthenium plate and barrel bridge cover adorned with “Côtes De Bethune” – Ruthenium circular-grained power reserve decoration – Hand-polished, chamfered steel parts
- 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
- 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)
Jewelling:
38 jewels
Frequency:
28,800 vibrations per hour
Power reserve:
6 days
strap
Extra-supple alligator leather, alligator lining
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