Breitling
Blackbird
820

incasement

steel, screw-down crown with flank protection, screwed-in caseback, curved sapphire glass, anti-reflective

bracelet

rubber black 22/20

locker

foldover clasp in steel

face

blacvk, applied markers

lunette

unidirectional bezel, steel riders

clockwork

mechanical with self-winding, Breitling Caliber 44 (base caliber Valjoux 7750), 25 jewels, 28.800 A/h, officialy certified Chronometer C.O.S.C.

functions

hours, minutes, small second, bigdate, chronograph

diameter

43.7 mm

thickness

17.2 mm

speciality

water-protected till 10 atm