Oris AquisPro 4000m Calibre 400

The Oris AquisPro 4000m Calibre 400 is a 49.5 mm titanium dive watch with an Oris Calibre 400 automatic movement. Rated to 4,000 m, it goes deeper than 98% of the 361 titanium dive watches in the guide. With a 120-hour power reserve, no other mechanical titanium dive watch with a stated reserve runs longer, out of 230.

4 official photos · reader photos welcome

Price

≈$6,848 (CHF 5,700)

Material

Titanium

Grade / type

Titanium (grade not stated)

Water resistance

4000 m

Reference

01 400 7777 7155-Set

Type

Diver

Case diameter

49.5 mm

Thickness

23.4 mm

Origin

Switzerland

Movement

Automatic

Caliber

Oris Calibre 400

Power reserve

120 h

Complications

Date

Colour

Grey

Surface treatment

None

Finish technology

Natural finish

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Titanium bracelet or rubber strap

Matching bracelet

Optional (or strap)

Crystal

Sapphire

Display back

No

Dial

Blue

Dial colours

Blue

Lume

Super-LumiNova

Availability

Offered

Status

Current

Not published

Lug-to-lug, Weight, Hardness, Construction, Caseback

Medium confidence Verified Jul 2026 Source: Oris (maker) / Monochrome

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