DB29 Maxichrono Tourbillon

Specifications

About this reference

With its distinctive round form and hunter case back, featuring the rare elegance of a completely invisible hinge, the DB29 evokes the timeless allure of 18th-century pocket watches. It masterfully blends a deep reverence for traditional watchmaking with the cutting-edge complexity of De Bethune’s most advanced movements, including the mesmerizing tourbillon and the groundbreaking Maxichrono. A true celebration of heritage and innovation, this timepiece is a testament to De Bethune’s relentless pursuit of horological excellence. Overview: Functions: Hours, Minutes, Mono-pusher Chronograph with 24hr, 60min. and 60 sec. counters. 30” indicator Ultra-light Tourbillon Cage on Case Back. Watch: Case · Material: Polished grade 5 titanium; Case · Diameter: 46 mm; Case · Thickness: 11.7 mm; Case · Lugs: Ogival lugs; Case · Crystal: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Case · Open back: Screwed down open back 30’’ indicator via the ultra-light De Bethune tourbillon cage and on the chronograph mechanism Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating protected by a polished rose gold 5N dome with invisible hinge; Display · 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 – 1/10th of second graduated outer ring for seconds counter; Display · Hands: 5 central curved hands – Hand-polished and flamed-blued steel for hours and minutes hands and chronograph hours and seconds indicators – Chronograph minutes indicator in rose gold. Calibre: TYPE: Mechanical manual-winding calibre; POWER RESERVE: 5 days, ensured by a self-regulating twin barrel ,De Bethune Innovation (2004); Number of parts: 450; Jewelling: 53 jewels; Diameter: 30 mm; Frequency: 36’000 vibrations per hour; Adornment: Bridges mirror-polished, sandblasted and snailed by hand • Steel parts polished and chamfered by hand; Technical features: Titanium balance wheel with white gold inserts, optimized for temperature differences and air penetration, De Bethune Patent (2016) • “De Bethune” balance-spring