Exterior Case Material : Stainless steel Glass Material : Dual-curved sapphire crystal Glass Coating : Anti-reflective coating on inner surface LumiBrite : LumiBrite on hands, index(es) and bezel Case size : Diameter 44.2mm Lug-to-lug 50.6mm Thickness 14.4mm The perimeter of Band : 201mm Clasp type : Three-fold clasp with push button release Movement Calibre no. : 9S86 Instructions Movement Type : Hi-beat Automatic with manual winding Power reserve : Approx. 55 hours Mean daily rate : +5 to -3 seconds per day Normal usage accuracy : +8 to -1 seconds per day Functions Water resistance : 20 bar Magnetic resistance : 4,800 A/m Weight : 188.0 g Other details / Features : ・24-hour hand (dual time display function) ・37 jewels ・Calendar-linked time difference adjustment function ・Case back with lion emblem ・Date display ・Rotating bezel (24-hour display) ・Screw case back ・Screw-down crown ・Stop seconds hand function