Oris Aquis Aquis Date Calibre 400 43.5 Stainless Steel / Blue / Bracelet

Reference 01 400 7790 4135-07 8 23 02PEB

About this watch

The Oris Aquis Date Calibre 400 is a stunning diving watch that combines luxury with practicality, featuring a visually arresting blue dial with sunburst finish, rotating ceramic bezel, and self-winding Oris Caliber 400 movement. With its five-day power reserve, instantaneous date feature, and remarkable 300 meters water resistance, this timepiece is designed for serious divers. Its user-friendly features, luminous hands, and indexes ensure visibility in murky waters, while its comfort-fit bracelet and versatility make it a fashion statement that complements any look. Whether you're diving into the ocean or just diving into life, this watch is sure to accompany you on your adventures.
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Key Features

  • 43.5 mm diameter case
  • 300 meters water resistance
  • Oris Caliber 400 self-winding movement
  • Five-day power reserve
  • Instantaneous date feature
  • Rotating ceramic bezel
  • Sapphire glass
  • Ceramic and stainless steel construction

Specifications

Brand
Oris
Family
Aquis
Model
Aquis Date Calibre 400 43.5 Stainless Steel / Blue / Bracelet
Reference
01 400 7790 4135-07 8 23 02PEB
Movement
oris-400
Movement Features
  • Hours, Minutes, Seconds
  • Date
Case
43.5mm
Dial Color
Blue
Crystal
Sapphire
Water Resistance
300

Current Listings

[WTS] UNSIZED / UNWORN Oris Aquis Date Calibre 400 – 5-Day Power Reserve – 1 Month Old

UNSIZED / UNWORN Oris Aquis Date Calibre 400 – 5-Day Power Reserve – 1 Month Old

The Oris Aquis Date Calibre 400 features an in-house movement with a 5-day power reserve and superior anti-magnetism. It has a water resistance of 300m and is available in two case sizes: 41.5mm or 43.5mm.

  • Condition: Mint / Brand New/ UNSIZED, UNWORN
  • Movement: Oris Calibre 400 (In-house)
  • Power reserve: 120 hours
  • Case size: 41.5mm or 43.5mm
Posted at
Apr 24, 2026, 9:26 AM
Active
[WTS] Oris Aquis Lake Baikal Limited Edition

Oris Aquis Lake Baikal Limited Edition

Oris - 01 733 7730 4175 · $1,575
The Oris Aquis Lake Baikal Limited Edition is a unique timepiece featuring a special design.

  • Limited edition: true
Posted at
Apr 23, 2026, 6:10 PM
Active
[WTS] Oris Aquis Date Upcycle Dial 41.5mm Steel 01 733 7787 4150 Full Set with Straps

Oris Aquis Date Upcycle Dial 41.5mm Steel 01 733 7787 4150 Full Set with Straps

Oris - 01 733 7787 4150 · $1,550
The listing is for a unique Oris Aquis Date watch featuring an upcycled dial, 41.5mm stainless steel case, and a rotating dive bezel.

  • Condition: Very nice preowned condition with few signs of wear
  • Case Dimensions: 41.5mm diameter
  • Bezel Type: Grey Ceramic Rotating Dive Bezel
  • Dial Material: Recycled Plastic
Posted at
Apr 21, 2026, 6:01 PM
Active
[WTS] Oris Aquis Date 43mm Black Dial Ref. 7653

Oris Aquis Date 43mm Black Dial Ref. 7653

Oris - 7653 · $799
This Oris Aquis Date 43mm is a rugged and high-quality Swiss diver featuring a black dial and bezel. It has been worn but remains in good condition with no major or moderate dings.

  • Condition: good with surface scratches
  • Case size: 43mm
  • Movement: Oris 733 (Sellita SW200-1 base)
  • Water resistance: 300m / 30 Bar
Posted at
Apr 21, 2026, 9:15 AM
Active
[WTS] Oris Aquis Date Upcycle 41.5mm

Oris Aquis Date Upcycle 41.5mm

Oris Aquis Date Upcycle, a water-resistant timepiece with a power reserve of 41 hours.

  • Power Reserve Hours: 41
  • Water Resistance Meters: 200
  • Movement Caliber: Oris Caliber 733-1 (Swiss)
Posted at
Apr 20, 2026, 4:53 PM
Active
[WTS] Oris Aquis Date Blue Dial 01 733 7730 4135– Full Set – Excellent Condition

Oris Aquis Date Blue Dial 01 733 7730 4135– Full Set – Excellent Condition

This Oris Aquis Date features a stunning blue sunburst dial and is described as an everyday diver with great wrist presence and build quality.

  • Condition: Excellent condition
  • Case size: 43.5mm diameter
  • Depth rating: 300m water resistance (30 BAR)
  • Material: Stainless steel case and strap
Posted at
Apr 18, 2026, 6:01 AM
Active
[WTS] Oris Aquis Date Upcycle 41.5mm

Oris Aquis Date Upcycle 41.5mm

This Oris Aquis Date Upcycle features a 41.5mm case and is powered by the Oris Caliber 733-1 movement, offering a power reserve of 41 hours and a water resistance of 200 meters.

  • Condition: Excellent condition - only worn a few times.
  • Power Reserve: 41 hours
  • Water Resistance: 200 meters depth rating
Posted at
Apr 16, 2026, 9:54 PM
Active
[WTS] UNSIZED / UNWORN Oris Aquis Date Calibre 400 – 5-Day Power Reserve – 1 Month Old

UNSIZED / UNWORN Oris Aquis Date Calibre 400 – 5-Day Power Reserve – 1 Month Old

Up for sale is the heavy hitter of the Oris lineup: the Aquis Date featuring the in-house Calibre 400 movement. This isn't the standard Sellita version; this is the high-performance model with a 120-hour power reserve and superior anti-magnetism.

  • Condition: Mint / Brand New/ UNSIZED, UNWORN
  • Movement: Oris Calibre 400 (In-house)
  • Power Reserve: 5 Days
  • Water Resistance: 300m depth rating
Posted at
Apr 15, 2026, 10:54 AM
Active
[WTS] Oris Aquis Lake Baikal Limited Edition plus extras

Oris Aquis Lake Baikal Limited Edition plus extras

For sale is my Oris Aquis 43.5 Lake Baikal Limited Edition with an amazing gradient dial.

  • Condition: Great condition, minor scuffs on clasp and bezel sticking due to gunk underneath
  • Gradient dial: Yes
Posted at
Apr 12, 2026, 4:54 PM
Active