DB28 Maxichrono

Specifications

About this reference

The chronograph, the traditional way of measuring elapsed times, joins the contemporary DB28 collection. The result is a creation that combines the old and the new in both its design and technical construction. The DB28 Maxichrono, fitted with De Bethune’s absolute clutch system, is a precise and reliable time-measuring instrument where traditional heritage and modern styling coexist in harmony to proclaim a strong identity. Specification: Case: Rose gold 5N; Case · Diameter: 46 mm; Case · Thickness: 11 mm; Case · Lugs: Short or long floating lugs in black zirconium – De Bethune Patent (2006); Case · Crystal: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Case · Case back: Open on the mechanism with bridges in rose gold 5N and hand-polished steel parts; Case: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Function: Hours, Minutes, Mono-pusher chronograph with 24 hours, 60 minutes, 60 seconds; Calibre · Calibre: DB2030; Calibre · Type: Mechanical hand-wound movement; 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 polished and chamfered by hand; Dial: Three dimensional silver dial constructed on different levels to maximize readability. From the center to the periphery: central hours counter – hour ring – minutes ring and minutes counter – 1/10 of second graduated outer ring for seconds counter; Dial: Blackened, polished steel Arabic relief as hour markers; Dial: Hands:; Dial: 5 curved central hands – hand-polished and blackened steel for hours and minutes hands and flame-blued steel chronograph and seconds indicators; Dial: Chronograph minutes indicator in rose gold; Technical features of calibre: Silicon annular balance encircled by a white gold ring, De Bethune Patent (2010); Technical features of calibre: “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006); Technical features of