The Oris Big Crown Calibre 473 is a stunning timepiece that combines both style and function. The multi-piece stainless steel case measures 38.00 mm in diameter and features a blue dial with Super-LumiNova indices, numbers, and hands. The top glass is sapphire and domed on both sides, with anti-reflective coating on the inside. The case back is made of stainless steel and has a see-through sapphire glass. The watch also includes a stainless steel screw-in security crown and an olive brown strap made from sustainably sourced deer leather produced by Oris’s Swiss partner Cervo Volante. The strap is secured with an Oris-developed stainless steel butterfly clasp with a fine adjustment system. The watch is water-resistant up to 5 bar. The movement is the Oris Calibre 473, a hand-wound caliber with a 120-hour power reserve and fine timing device. The watch also has a date function and a small seconds hand at 6 o’clock. The reverse side features a 120-hour power reserve indicator. The accuracy of the watch is within -3/+5 seconds per day, which is within COSC tolerances. The watch is also highly anti-magnetic. The warranty for the watch and movement is extended to 10 years with MyOris sign-up. The recommended service interval is every 10 years and the recommended water-resistance check is every five years.