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Reference | : | DB28TBM Unique timepiece |
Movement | : | Calibre DB2019v3 Mechanical calibre with manual winding |
Adjustment | : | Using the crown (2 positions) for winding and setting the time |
Number of parts | : | 276 |
Jewelling | : | 39 rubis |
Diameter | : | 30 mm |
Power reserve | : | 5 days, ensured by a self-regulating twin barrel De Bethune Innovation (2004) |
Fonctions | : | Hours, minutes 30’’ indicator via the ultra-light De Bethune tourbillon cage at 6 o’clock Power reserve on case back |
Technical features | : | 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 second De Bethune Tourbillon in silicon and titanium De Bethune Innovation (2008) |
Frequency | : | 36,000 vibrations per hour |
Adornment | : | Decoration on power reserve indicator in grade 5 titanium “De Bethune” concentric graining and blued by hand Steel parts beveled and flame-blued by hand |
Display | : | Hands in hand-polished rose gold 5N |
Tourbillon | : | De Bethune 30′′ ultra-light tourbillon in silicone and titanium at 6 o’clock De Bethune Innovation (2008) |
Dial | : | Star studded sky in blued hand-polished iron meteorite with white gold stars |
Hours ring | : | Grade 5 polished and blued titanium with pointers in pink 5N gold |
Minutes ring | : | Grade 5 satin-polished and blued titanium |
Case | : | Blued and hand-polished grade 5 titanium |
Diameter | : | 42.60 mm |
Thickness | : | 9.70 mm |
Lugs | : | Long floating lugs in grade 5 polished and blued titanium De Bethune Patent (2006) |
Crystal | : | Sapphire (1800 Vickers hardness), with double anti- reflective coating |
Case back | : | Vssé en or rose 5N poli et ouvert sur un indicateur linéaire de réserve de marche en or rose 5N |
Water resistance | : | 3 ATM |
Strap | : | Extra-supple alligator skin with alligator padding |
Buckle | : | gGade 5 mirror-polished and blued titanium and ardillon in pink 5N gold |