Multi-piece stainless steel case Case size: 43 mm, 1.693 inches Sapphire glass, domed on both sides, anti-reflective coating inside Case back: Stainless steel, screwed, see-through sapphire glass Water Resistance: 5 bar / 5 ATM / 50 M Movement: Hand winding 10-day power reserve, date, GMT developed by Oris Functions: Centre hands for hours and minutes (T1), subsidiary second at 7:30 h. Subsidiary dial with hours and minutes (T2) at 12 h including day and night indicator. Non-linear power reserve indication at 3 h, date window, date corrector, fine timing device and stop-second Power-Reserve: 240 hrs Vibrations: 21'600 A/h, 3 Hz Jewels: 40 Silver dial Hands Superluminova C3 Green Line Grey croco leather strap, stainless steel folding clasp