DB28

Specifications

About this reference

In November 2011, the DB28 model received the Aiguille d’or, the supreme award of the Geneva Watchmaking Grand Prix. To celebrate this victory, De Bethune is revisiting this iconic model and offering a limited edition of 50 pieces with subtle details that will delight collectors and enthusiasts. Specification: Case: Grade 5 titanium; Case · Diameter: 42,6 mm; Case · Thickness: 9,20 mm; Case · Lugs: Short or long floating lugs in grade 5 titanium, De Bethune Patent (2006); Case · Crystal: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Case · Case back: Screwed down back in sandblasted anthracite zirconium that opens on a linear power reserve in rose gold 5N; Case: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Function: Hours, Minutes, Spherical moon phase indication at 6 o’clock, Power reserve situated on the back, Performance indication between 2 and 3 o’clock; Calibre · Calibre: DB2115; Calibre · Type: Mechanical manual-winding calibre; Calibre · Power reserve: 6 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004); Calibre · Number of parts: 272; Calibre · Jewelling: 36 jewels; Calibre · Diameter: 30 mm; Calibre · Frequency: 28’800 vibrations per hour; Calibre · Adornment: Black hand-polished steel motion-work bridge; Calibre: Black plate and barrel bridge cover adorned with “Côte De Bethune”; Calibre: Hand-polished and chamfered steel parts; Dial: Polished grade 5 titanium hour circle and silvered minute circle; Dial: Spherical moon phase indication in palladium and flame-blued steel with an accuracy of one lunar day every 122 years at 6 o’clock – De Bethune Patent (2004); Dial: Performance indicator between 2 and 3 o’clock; Dial: Hands:; Dial: Hand-polished steel hands with rose gold inserts; Technical features of calibre: Silicon / white gold balance wheel, De Bethune Patent (2010); Technical features of calibre: “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006); Technical features of calibre: Silicon escape wheel; Technical features of calibre: Spherical moon phase indication accurate to a degree of one lunar day every 122 years, De Bethune