Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Red Gold / Silver / Bracelet

Reference 231.50.39.22.02.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar is a masterpiece of horology, boasting exceptional craftsmanship, stunning design, and innovative features. Its red gold case exudes luxury and sophistication, while the silver dial with stick and dot indexes provides effortless readability. The watch's open case back offers a glimpse into its intricate movement, a delight for horology enthusiasts. With a water resistance of 150 meters, this timepiece is perfect for both formal events and casual outings. The Omega caliber 8611 automatic movement boasts a power reserve of 60 hours, with 39 jewels and a frequency of 25,200 vibrations per hour. The annual calendar function allows for adjustments only once a year in February, making it a practical choice for those who value functionality without sacrificing style.
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Key Features

  • Red gold case
  • Silver dial with stick and dot indexes
  • Automatic Omega caliber 8611 movement
  • Annual calendar function
  • Water resistance of 150 meters
  • Sapphire crystal glass
  • 38.5 mm diameter

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Annual Calendar Red Gold / Silver / Bracelet
Reference
231.50.39.22.02.001
Movement
8611
Movement Features
  • Hours, Minutes, Seconds
  • Date, Annual Calendar, Month
  • Chronometer, Co-Axial Escapement
Case
Red Gold 38.5mm
Dial Color
Silver
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

This is a 5-month-old Omega Aqua Terra with a unique Green Teak dial, adding depth and texture to the watch.

  • Condition: Excellent
  • Size: 41mm diameter
  • Dial: Green Teak with horizontal 'teak' pattern
  • Movement: Co-Axial Master Chronometer (METAS certified)
Posted at
Feb 18, 2026, 1:25 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595
A 39mm Omega Seamaster Aqua Terra in great condition with everything functioning as it should.

  • Condition: pre-owned, minor wear
  • Size: 39mm diameter
Posted at
Feb 18, 2026, 12:14 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: pre-sized for a ~7" wrist
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt.
Posted at
Feb 17, 2026, 11:01 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial, symmetrical case design and polished brushed bracelet.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Box included: true
  • Papers included: true
Posted at
Feb 17, 2026, 10:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial with a blue dial, measuring 41.5mm in diameter and featuring a 7.25-inch bracelet.

  • Case Size: 41.5mm
  • Bracelet Length: 7.25 inches
Posted at
Feb 17, 2026, 1:38 PM
Active
[WTS] Omega Aqua Terra White Teaked 38.5mm

Omega Aqua Terra White Teaked 38.5mm

Omega - 8500 · $2,750
This Omega Aqua Terra 38.5mm features a white teaked dial and is available for purchase with an extra omega travel bag.

  • Condition: Excellent, no issues
  • Case Size: 38.5mm
  • Box Papers: No box/no papers
Posted at
Feb 16, 2026, 10:46 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025 – $8,490 + Shipping

A new, unworn Omega Seamaster Aqua Terra Worldtimer featuring a striking blue dial and matching blue strap.

  • Condition: New / Unworn
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Power reserve: 60-hour power reserve
Posted at
Feb 16, 2026, 9:17 PM
Active
[WTS] Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Price Reduced!

Omega - 2518.80 · $1,695
A beautiful Omega Seamaster Aqua Terra Blue, 36mm in size, with a stunning blue dial.

  • Condition: Good overall condition, minimal wear
  • Size: 36mm diameter
  • Movement type: Quartz
Posted at
Feb 16, 2026, 2:22 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

Omega Seamaster Aqua Terra 150m | Master Co-Axial | 41.5mm | 231.10.42.21.03.003 Blue

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

  • Bracelet Length: 7.25"
Posted at
Feb 16, 2026, 1:26 PM
Active