Specifications Movement Caliber No. 4R34 Driving System Mechanical Automatic (with manual winding) Accuracy +45 seconds to -35 seconds per day Power Reserve Approximately 41 hours when fully wound Number of Jewels 24 jewels Functions 24-hour hand (dual time display function) Seconds hand stop function Case/Band Case Material Stainless steel, Case back: Stainless steel and crystal glass Case Size Thickness: 13.6mm Width: 42.5mm Height: 46.0mm Crystal Material Hardlex (with lens) LumiBrite Available (hands/indexes) Clasp One-push three-fold clasp Wrist Size (Max) 205.0mm Watch Specifications Water Resistance Enhanced water resistance for daily life (10 bar) Magnetic Resistance Yes Weight 161.0g Other Features Rotating bezel (24-hour display) Double-lock clasp See-through screw back