Discover the Big Crown Calibre 113, a watch that combines our iconic design with one of our high-performance in-house hand-wound calibers. Technical specifications: 10-day power reserve, a non-linear power reserve indicator, and a 52-week business calendar. Behind this vibrant, cheerful dial lie the success stories of the Big Crown and the Calibre 113—both timeless innovations from Oris that continue to delight enthusiasts of Swiss mechanical watches time and time again. Learn more about them in our online magazine. Case Multi-piece stainless steel case. Sapphire crystal, domed on both sides, anti-reflective coating on the inside. Stainless steel, screw-down, sapphire crystal. 43.00 mm Size 5 bar Water resistance 21 mm Lug width Movement Center-mounted hour, minute, weekday, and month hands; small seconds at 9 o’clock. Non-linear power reserve indicator at 3 o’clock, date window at 9 o’clock, weekday window at 12 o’clock, date, day-of-the-week, and week corrector, fine-adjustment mechanism, and seconds stop 240 hrs. power reserve caliber caliber 113 dimensions Ø 34.00 mm, 15''' winding manual winding frequency 21,600 vph. 3 Hz dial green strap leather