DB21

Specifications

About this reference

This is the first reinterpretation of this revolutionary chronograph designed in 2006. A model that was pure, absolute and radical in its approach, thanks to its principle of five hands mounted on a single central axis and controlled by a simple single pusher… De Bethune now presents the first reissue of this chronograph which has become an icon for Fine Watchmaking connoisseurs Specification: Case: Platinum; Case · Diameter: 44.4 mm; Case · Thickness: 12 mm; Case · Lugs: Short or long floating lugs in blued grade 5 titanium, De Bethune Patent (2006); Case · Crystal: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Case · Case back: Revealing the mechanism with hand-polished steel bridges; Case: Sapphire crystal (1800 Vickers hardness) with double anti-reflective coating; Function: Hours, Minutes, Mono-pusher chronograph with 24-hour, 60-minute and 60-second counters; Calibre · Calibre: DB2034; Calibre · Type: Mechanical manual-winding calibre; Calibre · Power reserve: 5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004); Calibre · Number of parts: 426; Calibre · Jewelling: 51 jewels; Calibre · Diameter: 30 mm; Calibre · Frequency: 28’800 vibrations per hour; Calibre · Adornment: Bridges mirror-polished, sandblasted and snailed by hand; Calibre: Steel parts; Dial: Three-dimensional dial constructed on different levels to maximise readability. From the centre to the periphery: silver-toned central hours counter – hours ring in titanium with blued markers – silver-toned minutes ring and minutes counter transfer-printed red numerals – silver-toned 1/10; Dial: th; Dial: of second graduated outer ring for seconds counter; Dial: Hands :; Dial: 5 curved central hands – hand-polished steel for hours and minutes hands and flame-blued steel chronograph hours and seconds indicators; Dial: Chronograph minutes indicator in red; Technical features of calibre: Balance wheel in thermo-compensated silicium, De Bethune Patent (2006); Technical features of calibre: “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006).