MasterHorologer

Oris AquisPro Date Calibre 400

Oris presents a new edition of its professional diving watch AquisPro Date with the brand’s in-house Calibre 400 movement.

With an incredible water resistance of 1000 meters, Oris AquisPro Date is a highly technical tool diving watch chosen by professional divers who work on complex engineering projects in helium-enriched environments hundreds of metres below the water’s surface.

The AquisPro Date watch is equipped with Oris’s patented Rotation Safety System, known as RSS. This exclusive Oris device enables the wearer to adjust and lock the unidirectional 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 low-light legibility.

The new AquisPro Date Calibre 400 model has 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. It has a solid yet comfortable rubber strap with titanium buckle. This patented 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.

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.

Conceived entirely in-house by the independent Swiss watch company, Calibre 400 has a five-day power reserve. Boasting elevated levels of anti-magnetism, superior accuracy compared to a chronometer, Calibre 400 is the new standard in Swiss Made automatic mechanical movements. It comes with a 10-year warranty and 10-year recommended service intervals.

Technical details

Model: AquisPro Date Calibre 400
Ref. No. 01 400 7767 7754-07 4 26 64BTEB

Case
Multi-piece titanium case, black DLC plated, ceramic bezel insert with engraved minutes scale
Size: 49.50 mm, 1.948 inches
Top glass: Sapphire, domed on both sides, anti-reflective coating inside
Case back: Titanium, black DLC plated, screwed, special markings
Stainless steel screw-in security crown, black DLC plated
Water resistance: 100 bar (1,000 m)
Interhorn width: 26 mm

Movement
Oris Calibre 400
Dimensions: 30.00 mm, 13 ¼’’’
Winding: Automatic
Power reserve: 120 hours
Vibrations: 4 Hz (28’800 A/h)
Jewels: 21

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

Dial
Black dial with wave motif
Applied indices
Indices and hands with Super-LumiNova®

Strap
Black rubber strap
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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