MOVEMENT Caliber Breitling 17 Movement self-winding mechanical Power reserve approx. 38 hrs Vibration 28,800 v.p.h Jewel 25 jewels Calendar Dial aperture CASE Case material DLC-Coated Titanium Caseback Screwed in Water resistance 200 m (660 ft) Bezel Unidirectional, ratcheted Crown Screw-locked, two gaskets Crystal Cambered sapphire, glareproofed both sides DIMENSIONS Product Weight (Approx.) 80.0 g. Watch-head Weight (Approx.) 73.1 g. Diameter 44.0 mm Thickness 12.7 mm Height (upper lug tip to lower lug tip) 54.1 mm Lug width (in-between lug) 22.0 mm STRAP Strap material Polyamide Fabric Strap color Anthracite Strap type Straight Lug 22/20 mm Buckle Material DLC-Coated Stainless Steel Buckle type Tang-type Buckle size 20 mm