MOVEMENT Caliber Breitling B04 (Manufacture) Movement Selfwinding, high frequency Power reserve Over 70-hour Chronograph 1/4th second chronograph, 30-minute and 12-hour totalizers. Vibration 28,800 v.p.h Jewel 47 jewels Calendar Dial aperture CASE Case material Stainless Steel Caseback Transparent sapphire crystal Water resistance 3 bars Bezel Bidirectional, slide rule Crown Non screw-locked, two gaskets Crystal Cambered sapphire, glareproofed both sides DIMENSIONS Product Weight (Approx.) 220.0 g. Watch-head Weight (Approx.) 117.4 g. Diameter 48.0 mm Thickness 15.7 mm Height (upper lug tip to lower lug tip) 55.5 mm Lug width (in-between lug) 24.0 mm STRAP Strap material Stainless Steel Strap color Metal Bracelet Strap type Straight Lug 24/20 mm