An innovative Depth Gauge with three key improvements

Renowned for producing specialist diving watches, Oris is proud to introduce the Oris Aquis Depth Gauge. At the forefront of mechanical watch innovation, Oris has harnessed its knowledge, expertise and craftsmanship to produce the first divers watch which measures depth by allowing water to enter the timepiece. This patented timepiece is the first of its kind to measure depth using a unique gauge built into the sapphire crystal, which allows water to enter the watch.

Known affectionately as ‘the watch with a hole’, the Aquis Depth Gauge uses the scientific principles of the Boyle-Mariotte Law to create a gauge that clearly measures depth during a dive. The patented system works by allowing water through a hole cutint o the sapphire crystal at 12 o’clock and into a channel milled around the outer edge of the crystal. This creates a watermark that corresponds to a gauge clearly indicated in yellow on the dial.

New for 2021, this Depth Gauge reference delivers three key improvements over the original model: better depth gauge accuracy and legibility, a meters to feet conversion chart on the caseback, and the addition of Oris' new patented Quick Change strap system. 

The new "Mark II" model captures and refines the spirit and functional ity of the original, delivering even higher performance when it really matters deep below the ocean surface.

Specifications:

• Case: 45mm multi-piece stainless steel
  
• Caseback: Stainless steel with engraved metric depth scale conversion chart
• Bezel: Stainless steel with ceramic bezel insert 
  
• Matte black dial with SuperLuminova on hands & applied hour markers
• Sapphire Crystal front, milled for Bourdon tube depth gauge
• Movement: Oris 733 (base SW 200-1)
• Power reserve: 38 hours
• Water Resistance: 500 meters (50 bar)
• Strap: Three-link stainless bracelet with quick-change system, diver's extension. Additional rubber strap with quick-change system, stainless steel ratcheting micro-adjust and diver's extension
• Waterproof presentation box set, certificate