DB29 Tourbillon Enamel
With its distinctive roundness and its hunter case back featuring a rare fully invisible hinge, the DB29 immediately recalls the charm of 18th century pocket watches. It celebrates watchmaking tradition while embarking the most complicated and advanced movements such as the De Bethune tourbillion or the dial in enamel Grand Feu.
Hours, Minutes, 30’’ indicator via the ultra-light De Bethune tourbillon cage on the back, Power reserve indication
Hands
Hand-polished rose gold hands indicating the hours and minutes, Hand-polished and flame-blued steel hand indicating the power reserve
Dial
Grand Feu enamel
Rose gold 5N. Diameter: 46mm-Thickness: 13.3mm
Attachments
Cone shaped lugs
Glass
Sapphire with double anti-reflective coating (1800 Vickers).
Back
Open back with the 30’’ indicator via the ultra-light De Bethune tourbillon cage and bridges in mirror-polished steel and titanium. Sapphire crystal (1800 Vickers hardness) with double anti-reflective
Double back: Rose gold 5N dome with invisible hinge
DB2009v2 Caliber
Movement
Mechanical hand-wound movement
Diameter 30 mm – 248 parts – hand-crafted finishing and decoration – Steel parts polished and chamfered by hand – Bridge covers in mirror hand-polished titanium grade 5
Self-regulating twin barrel-De Bethune Innovation (2004)
Silicon escape wheel encircled with a white gold ring -De Bethune Patent (2010)
“De Bethune” balance-spring with flat terminal curve-De Bethune Patent (2006)
Silicon escape Wheel.
Ultra-light 30’’ De Bethune Tourbillon in silicon and titanium- De Bethune Innovation (2008)
Jewelling
37 jewels
Frequency
36’000 vibrations/hour
Power reserve
5 days
extra-supple alligator leather, alligator lining
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