DB28XS Sea Tourbillon

Specifications

About this reference

A sea of blued titanium: a high-frequency tourbillon and the comfort of a mirror-polished titanium DB28 case. Mesmerising design dedicated to contemporary precision. Overview: Functions: Hours, Minutes, 30” indicator Ultra-light De Bethune Tourbillon Cage at 6 o’clock. Watch: Case · Material: Polished grade 5; Case · Diameter: 38.7 mm; Case · Thickness: 8 mm; Case · Lugs: Polished grade 5 titanium floating lugs – De Bethune Patent (2006); Case · Crystal: Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating; Case · Case back: Screwed case back in polished titanium with double anti-reflective coating; Display · Dial: Titanium hour ring with blued microlight decoration and polished hour markers; Display: Blued grade 5 circular satin titanium minutes and seconds ring; Display: Barrel bridge cover and triangular central bridge in blued grade 5 titanium with random guilloché and drawn chamfered contours; Display · Hands: Polished titanium hands. Calibre: TYPE: Mechanical hand-wound movement; POWER RESERVE: 5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004); Number of parts: 239; Jewelling: 33 jewels; Diameter: 30 mm; Frequency: 36’000 vibrations per hour; Adornment: Hand-crafted finishing and decoration; Technical features: Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016) • “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006) • Silicon escape wheel • Ultra-light De Bethune 30’’ tourbillon in silicon and titanium De Bethune Innovation (2008).