Breitling Navitimer 01 Automatic Chronograph 43mm, Ref. AB0120 Excellent condition with box, travel case and papers. MOVEMENT Caliber : Breitling 01 (Manufacture) Movement : Selfwinding mechanical Power reserve : Min. 70 hrs Chronograph : 1/4th second, 30 minutes, 12 hours Vibration : 28,800 v.p.h Jewel : 47 jewels Calendar : Dial aperture CASE Case : Steel Back : Screwed in Water resistance : 3 bars Bezel : Bidirectional, slide rule Crown : Non screw-locked, two gaskets Crystal : Cambered sapphire, glareproofed both sides DIMENSIONS Diameter : 43.00 mm Thickness : 14.25 mm Weight (without strap) : 81.20 gr.