Super Chronomat B01 44 , MOVEMENT - Caliber Breitling 01 (Manufacture) Movement -self-winding mechanical .Power reserve -approx. 70 hrs. Chronograph- 1/4th second chronograph, 30-minute and 12-hour totalizers. Vibration- 28,800 v.p.h . Jewel-47 jewels.Calendar- Dial aperture .Case material- Stainless Steel. Caseback-Screwed in (sapphire crystal). Water resistance-200 m (660 ft). Bezel- Unidirectional ratcheted rotating bezel. Crown- Screw-locked, two gaskets. Crystal- Sapphire, glareproofed both sides. DIMENSIONS. Product Weight (Approx.)- 159.9 g. Watch-head Weight (Approx.) - 129.6 g. Diameter- 44.0 mm . Thickness- 14.4 mm. Height (upper lug tip to lower lug tip)- 53.5 mm . Lug width (in-between lug)- 22.0 mm . Strap material - Rubber . Strap color- Blue . Strap type- Straight . Lug- 22/20 mm . Buckle Material -Stainless Steel . Buckle type- Folding clasp . Buckle size - 20 mm