Multi-piece stainless steel case, ceramic minutes scale top ring Case size: 45.8 mm, 1.803 inches Sapphire glass, domed on both sides, double-sided anti-reflective coating Case back: Stainless steel, special engravings, screwed Water Resistance: 50 bar / 50 ATM / 500 M Movement: Automatic winding date developed by Oris, Oris 733, base SW 200-1 Functions: Centre hands for hours, minutes and seconds, date window, instantaneous date, date corrector, fine timing device and stop-second Power-Reserve: 38 hrs Vibrations: 28'800 A/h, 4 Hz Jewels: 26 Indices and hands Superluminova BG W9 Multi-piece stainless steel metal bracelet, security folding clasp with extension Waterproof presentation box set, certificate The new Aquis Depth Gauge has three key improvements: 1. Depth gauge system In the new watch, the process used to mill the channel into the out er edge of the crystal has been refined so the accuracy and legibility of the gauge are increased 2. Metres to feet conversion chart The