The Wristwatch Field Guide

Oris AquisPro Date Calibre 400

01 400 7767 7754-07 426 64BTEB

The Oris AquisPro Date Calibre 400 is a current-production diver watch with a black titanium (grade undisclosed) case, finished with black dlc. It measures 49.5 mm across, 158 g, and is water resistant to 1000 m. Inside is the Oris Calibre 400 automatic, in-house twin barrel movement, with 120 hours power reserve. Complications: Date. Priced from $5,300. Brand origin: Switzerland.

Titanium and ceramic diver watchesTitaniumBlackDivers
Reference
01 400 7767 7754-07 426 64BTEB
Type
Diver
Price
$5,300
Case diameter
49.5 mm
Thickness
–
Lug-to-lug
–
Water resistance
1000 m
Weight
158 g (with strap)
Origin
Switzerland
Movement
Automatic, in-house twin barrel
Caliber
Oris Calibre 400
Power reserve
120 hours
Complications
Date
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Colour
Black
Hardness
–
Construction
–
Surface treatment
Black DLC
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Rubber strap
Matching bracelet
–
Crystal
Sapphire, domed, inner AR
Display back
No
Dial
Black
Lume
–
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Oris (maker product page) / WatchTime Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Oris AquisPro Date Calibre 400

SeikoProspex Marinemaster Professional 600m Titanium (SBDX067)$4,60045.4 mmDiversame category · same style · shared complications · similar price
SeikoProspex 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 price
ZRCGrands Fonds MN64 3000 Titanium$5,25041.5 mmDiversame category · same style · shared complications · similar price
TAG HeuerAquaracer Professional 500 Date Titanium$5,40042.0 mm120 gDiversame category · same style · shared complications · similar priceTudor Pelagos Ultra 1000MTudorPelagos Ultra 1000M$5,95043.0 mm14.5 mm thick117 gDiversame category · same style · shared complications · similar price

More titanium and ceramic watches from Oris

OrisProPilot X Calibre 400 (Titanium)$4,80039.0 mm93 gPilot
OrisAquisPro 4000m Calibre 400$6,50049.5 mm23.4 mm thickDiver
OrisAquis Pro 1000m$3,80049.5 mm16.6 mm thickDiver
OrisBig Crown ProPilot X Calibre 115 (Titanium)$7,60044.0 mmPilot
OrisAquis Date Titanium 43.5mm$2,80043.5 mm121 gDiver

Frequently asked questions

What is the case material of the Oris AquisPro Date Calibre 400?

The Oris AquisPro Date Calibre 400 has a black titanium (grade undisclosed) case. It is recorded at medium confidence pending a maker-stated material.

What size is the Oris AquisPro Date Calibre 400?

It is 49.5 mm in diameter, and water resistant to 1000 m.

How much does the Oris AquisPro Date Calibre 400 weigh?

About 158 g (w/ strap).

How much does the Oris AquisPro Date Calibre 400 cost, and is it available?

It is current-production and lists from $5,300.

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