DB28
DB 28 Tourbillon Zirconium
Functions: Hours, minutes, power reserve indication, 30-second tourbillon
Movement: Calibre DB2019 - mechanical hand-wound movement, Power reserve 5 days
Case: Anthracite zirconium, distinctively shaped, diameter 42.60mm
Watch glasses: Sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown: Screw-down at 12 o’clock, setting in two positions
Back:Solid in mirror-polished grade 5 titanium – linear power reserve display
Display: Black, mirror-polished grade 5 titanium, mirror-polished and silver-toned minutes ring
Strap: Extra supple alligator leather strap features a pin buckle