Oris AquisPro Date Calibre 400

The Oris AquisPro Date Calibre 400 is a 49.5 mm titanium dive watch with an Oris Calibre 400 automatic movement. With a 120-hour power reserve, no other mechanical titanium dive watch with a stated reserve runs longer, out of 230. At 49.5 mm across, it is larger than 96% of the 359 titanium dive watches in the guide.

2 official photos · reader photos welcome

Price

$5,300

Material

Titanium

Grade / type

Titanium (grade undisclosed)

Weight

158 g (with strap)

Water resistance

1000 m

Reference

01 400 7767 7754-07 426 64BTEB

Type

Diver

Case diameter

49.5 mm

Origin

Switzerland

Movement

Automatic, in-house twin barrel

Caliber

Oris Calibre 400

Power reserve

120 hours

Complications

Date

Colour

Black

Surface treatment

Black DLC

Finish technology

DLC

Nickel-free

Unconfirmed (contact-point materials not all confirmed)

Bracelet / strap

Rubber strap

Crystal

Sapphire, domed, inner AR

Display back

No

Dial

Black

Dial colours

Black

Availability

Offered

Status

Current

Not published

Thickness, Lug-to-lug, Hardness, Construction, Caseback, Matching bracelet, Lume

Medium confidence Verified Jul 2026 Source: Oris (maker product page) / WatchTime

Copy citationFacts are free to cite with a link.

Reader reviews & photosContribute photo or review

Browse all watch comparisons →

Similar watches

BreitlingSuperocean Automatic 48 (DLC titanium)$6,40048.0 mmDiversame category · same style · similar price · similar sizeRalf TechWRX Automatic Millenium Lefty x Peter Gunny$5,41047.5 mmDiversame category · same style · similar price · similar sizeBallEngineer Hydrocarbon DeepQUEST II Titanium$4,24942.0 mm15.5 mm thickDiversame category · same style · similar price · same movementZRCGrands Fonds MN64 3000 Titanium Rubber$4,91441.5 mmDiversame category · same style · similar price · same movementTudorPelagos FXD (Marine Nationale, blue)$5,02542.0 mm12.75 mm thickDiversame category · same style · similar price · same movementTudorPelagos FXD$5,02542.0 mm12.75 mm thick82 gDiversame category · same style · similar price · same movementLaventureMarine Type 3$5,04638.0 mm11.2 mm thickDiversame category · same style · similar price · same movementZRCGrands Fonds MN64 3000 Titanium World Record$5,15441.5 mmDiversame category · same style · similar price · same movement

Alternatives to the Oris AquisPro Date Calibre 400

Ralf TechWRX Electric Galaxy Millenium x CNES$5,41047.5 mm96 gDiversame category · same style · shared complications · similar priceRalf TechWRX Electric Space Millenium x CNES$5,79047.5 mm95 gDiversame category · same style · shared complications · similar priceSeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiversame category · same style · shared complications · similar priceSeikoProspex Marinemaster Professional 600m Titanium (SLA081, 60th Anniversary)$4,60045.4 mm16 mm thick174 gDiversame category · same style · shared complications · similar price

TAG HeuerAquaracer Professional 300 Date Titanium (green)$4,95043.0 mmDiversame category · same style · shared complications · similar priceU-BoatProfondo 10001 Limited Edition$5,20046.0 mm27 mm thickDiversame category · same style · shared complications · similar price

More watches from Oris

OrisProPilot X Calibre 400 (Titanium)$4,80039.0 mm93 gPilotOrisAquisPro 4000m Calibre 400$6,84849.5 mm23.4 mm thickDiverOrisAquis Pro 1000m$3,80049.5 mm16.6 mm thickDiverOrisBig Crown ProPilot X Calibre 115 (Titanium)$9,40044.0 mmPilotOrisAquis Date Titanium 43.5mm$2,80043.5 mm121 gDiverOrisProPilot X Gonzo Edition$10,50044.0 mm12.6 mm thickPilot

All Oris watches · Diver watches · All 1,960 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions · Privacy Policy

Report an error on this page · how corrections work