DB28XP Steel Wheels

Specifications

About this reference

De Bethune launches today the DB28XP Steel Wheels. A constant evolution of De Bethune creations in their most contemporary form. The architecture and technicality of the DB28 Steel Wheels movement revealed in the DB28XP’s extra-flat titanium case. A limited edition of 25 pieces only Specification: Case: Polished grade 5 titanium with “microlight” case middle; Case · Diameter: 43 mm; Case · Thickness: 7,2 mm; Case · Lugs: Polished grade 5 titanium floating lugs, De Bethune Patent (2006); Case · Crystal: Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment; Case · Case back: Screwed case back. Opened on a linear power reserve indicator, sapphire crystal (1800 Vickers hardness) with double anti-reflective coating; Function: Hours, Minutes; Calibre · Calibre: DB2115V11; Calibre · Type: Mechanical hand-wound movement; Calibre · Power reserve: 6 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004); Calibre · Number of parts: 234; Calibre · Jewelling: 36 jewels; Calibre · Diameter: 30 mm; Calibre · Frequency: 28’800 vibrations per hour; Calibre · Adornment: Hand-crafted finishing and decoration; Dial: Polished titanium hours ring with polished blued titanium spherical hour-markers; Dial: Circular satin-brushed titanium minutes ring; Dial: Titanium barrel bridge and triangular central bridge guards with sandblasted and polished chamfered contours; Dial: Polished titanium dial base and «microlight» decoration; Dial: Hands:; Dial: Polished blued titanium hands; Technical features of calibre: Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016); 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: Triple pare-chute shock-absorbing system, De Bethune Innovation (2005).