Movement Caliber Breitling 01 (Manufacture) Movement Automatic winding Power reserve Approx. 70 hours chronograph 1/4 second, 30 minutes, 12 hours Vibrations 28,800 vibrations per hour Number of jewels 47 jewels Calendar Date window CASE Case Material Titanium Water resistance 200 m (660 ft) i Glass Sapphire crystal with anti-reflective coating on both sides Size Product weight (approx.) 121.7 g. Watch head weight (approx.) 98.0 g. Diameter 44.0 mm Thickness 14.4 mm Height (from top of lug to bottom of lug) 53.5 mm Lug width (between lugs) 22.0 mm Strap/Bracelet Strap Material Rubber Strap Color Black Strap Type Straight Strap Size 22/20 mm Buckle Material Titanium Buckle Buckle type Buckle Size 20 mm