Oris AquisPro Date Calibre 400

Text: Press
Photo: Oris

Oris’s professional diver’s watch, the AquisPro Date, is the latest watch to be equipped with Oris’s in-house Calibre 400 movement

Boasting elevated levels of anti-magnetism, superior accuracy compared to a chronometer, a five-day power reserve and a 10-year guarantee, Calibre 400 is the new standard in Swiss Made automatic mechanical movements. The AquisPro Date is a natural home for Oris’s high-performance Calibre 400. Designed to serve professional divers on saturation dives, it’s a highly technical tool watch chosen by divers who work on complex engineering projects in helium-enriched environments hundreds of metres below the water’s surface.

01 400 7767 7754 07 426 64BTEB Oris AquisPro Date LowRes 11952 min 1

Among its special features is Oris’s patented Rotation Safety System, known as RSS. This exclusive Oris device, commissioned by the professional diving community, enables the wearer to adjust and lock the uni-directional rotating bezel into place. This means that during a dive they can read off remaining dive time with absolute certainty. A chunky rubber grip makes it easy to operate, even when gloved, while a yellow and white minutes scale engraved into the scratch-resistant ceramic bezel insert delivers high levels of lowlight legibility.

Oris caliber 400 Technical Review Fig 2 1 min

The new AquisPro Date Calibre 400’s spec list continues with a high-grade, lightweight titanium case plated in low-glare black DLC that makes its 49.50 mm case diameter extremely comfortable on the wrist. Titanium is also used for the rubber strap’s folding clasp, where you’ll find two more exclusive Oris innovations. The patented Oris Sliding Sledge Clasp can be adjusted to very fine tolerances without taking the watch off, so that when getting in or out of even the thickest wetsuit, you can loosen or tighten the strap hassle-free.

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The rubber strap also features the Oris Safety Anchor, developed by Oris so that in the event the clasp is released unintentionally, two hooks grab the strap so the watch stays attached to the wearer’s wrist. Innovations such as these have made the AquisPro a long-standing favourite with professional divers. Oris’s independence creates the freedom to develop and engineer high-performance movements and devices such as those found on the AquisPro Date Calibre 400. The new watch becomes one of the highest spec Swiss Made mechanical diver’s watches ever produced.

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Oris AquisPro Date Calibre 400

Ref. No. 01 400 7767 7754-07 4 26 64BTEB

Case Material: Multi-piece titanium case, black DLC plated, ceramic bezel insert with engraved minutes scale Size 49.50 mm, Top glass Sapphire, domed on both sides, anti-reflective coating inside

Case back Titanium, black DLC plated, screwed, special markings

Operating devices: Stainless steel screw-in security crown, black DLC plated

Water resistance: 100 bar (1,000 m)

Interhorn width: 26 mm

Movement Number: Oris Calibre 400 Dimensions 30.00 mm

Functions: Centre hands for hours, minutes and seconds, date window, instantaneous date, date corrector, fine timing device and stop-second

Winding: Automatic

Power reserve: 120 hours

Vibrations: 4 Hz (28’800 A/h)

Jewels: 21

Dial: Design Black dial with wave motif Luminous material Indices and hands with Super-LumiNova® Indices Applied

Strap Material: Black rubber, black DLC-plated titanium folding clasp black with Sliding Sledge Clasp extension and Safety Anchor Retail

Availability: April 2021

Retail price: CHF 4’200

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