Prospex Speedtimer HBD002

Movement Caliber Number 8R48 Movement Type Automatic with manual winding Precision +25 to -15 seconds per day Power reserve Approx. 45 hours Jewels 34 Functions Chronograph with 30 minutes & 12 hours Stop second hand function Date display Case/Band Case Material Stainless steel (super hard coating) Case Size Thickness:14.6mm Diameter:42.0mm Lug-to-lug:49.5mm Crystal Dual-curved sapphire crystal Crystal Coating Anti-reflective coating on inner surface LumiBrite Lumibrite on hands and index(es) Band Material Cow leather Clasp Three-fold clasp with push button release Distance between lugs 20mm Other Details Water Resistance 10 bar Magnetic Resistance 4,800 A/m Features Tachymeter function Screw case back