Oris began making pilot’s watches in the 1910s at the dawn of aviation and has pioneered in the field ever since. The Big Crown, one of Oris’s signature designs, was first introduced in 1938, and continues to inspire the collection today. CASE MATERIAL: Multi-piece stainless steel case SIZE: 38.00 mm TOP GLASS: Sapphire, domed on both sides, anti-reflective coating inside CASE BACK: Stainless steel, screwed, see-through sapphire glass OPERATING DEVICES: Stainless steel screw-in security crown WATER RESISTANCE: 5 bar INTERHORN WIDTH: 19 mm MOVEMENT Automatic winding date developed by Oris NUMBER: Oris 473 DIMENSIONS: Ø 30.00 mm, 13 1/4’’’ FUNCTIONS: Centre hands for hours and minutes, subsidiary second at 6 h, date centre hand, instantaneous date, date corrector, fine timing device and stop-second, power reserve display on bridge side WINDING: Hand winding POWER-RESERVE: 120 hrs VIBRATIONS: 28’800 A/h, 4 Hz JEWELS: 27 DIAL MATERIAL: Blue LUMINOUS MATERIAL: Indices, numbers and hands with Superluminova C3 STRAP/BRACELET STRAP/BRACELET: Leather MATERIAL: Dark brown leather strap, stainless steel buckle EXTRAS Certificate
