Exterior: Bright Titanium Back lid: bright titanium and sapphire glass Glass material: Dual curve sapphire Coating: Inner anti-reflective coating Case size: Width 43.5mm Length 51.2mm Thickness 16.1mm Arm circumference (longest): 193mm Clasp: One-push three-fold method Movement: 9R96 Drive system: Spring drive Driving time: Maximum winding time lasts about 72 hours (about 3 days) Accuracy: Average monthly difference ± 10 seconds (equivalent to daily difference ± 0.5 seconds) Waterproof: Enhanced waterproof for daily life (10 bar) Magnetic resistance: Yes Weight: 126.0 g. 24-hour hand ...