Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP

Reference 231.23.39.21.55.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP

About this watch

When it comes to luxury watches, few brands resonate with enthusiasts quite like Omega. Known for their precision and craftsmanship, Omega has carved out a niche that combines elegance with functionality. The Seamaster Aqua Terra line is a testament to Omega's commitment to quality. With its sporty yet sophisticated look, this watch can seamlessly transition from a day at the office to a night out. Founded in 1848, Omega has a rich history that includes being the official timekeeper of the Olympic Games and the first watch on the moon. This watch is crafted from a beautiful combination of Red Gold and Stainless Steel, giving it a luxurious yet robust feel. The Mother of Pearl dial adds a touch of elegance, catching the light in mesmerizing ways. With a round case diameter of 38.5 mm, it’s a perfect size for both men and women, striking that coveted balance between boldness and subtlety. The Aqua Terra family is often associated with versatility, boasting water resistance up to 150 meters. This watch is like that friend who can pull off any outfit! Let’s talk about the aesthetics of this beautiful timepiece. After all, a watch isn’t just about functionality—it’s also a fashion statement. The Mother of Pearl dial is truly the star of the show, with its shimmering surface changing color depending on the light. With a certified chronometer movement, this watch has passed rigorous tests for accuracy and precision. It’s like a badge of honor that ensures your watch will keep perfect time.
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Key Features

  • Automatic Omega caliber 8500 movement
  • Red Gold and Stainless Steel construction
  • Water resistance up to 150 meters
  • Mother of Pearl dial with shimmering surface
  • Certified chronometer movement
  • 60-hour power reserve
  • Scratch-resistant sapphire crystal

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP
Reference
231.23.39.21.55.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

2015 Omega Seamaster Aqua Terra 150M Golf Edition 41.5mm 231.10.42.21.01.004 Full Set

Omega - 231.10.42.21.01.004 · $4,000
A classic Aqua Terra design inspired by the world of golf, with subtle green accents.

  • Condition: Excellent
  • Year: 2015
  • Size: 41.5mm
  • Contents: Full Set
Posted at
Jan 14, 2026, 11:12 AM
Active
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[WTS] Omega Seamaster 120M Ref. 2511.83 | Japan Exclusive | Pre-Aqua Terra | $1000 OBO | Shipping & Tariffs Covered

Omega Seamaster 120M Ref. 2511.83 | Japan Exclusive | Pre-Aqua Terra | $1000 OBO | Shipping & Tariffs Covered

Omega - 2511.83 · $1,000
A 36mm stainless steel Omega Seamaster 120M with a quartz movement and a sunburst blue dial, characterized by its understated design and nuance.

  • Condition: good, unpolished condition with wear marks
  • Material: stainless steel
  • Case diameter: 36mm
  • Strap size: 18 mm
Posted at
Jan 14, 2026, 7:09 AM
Active
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[WTS] Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega Seamaster Aqua Terra 150M Shades 38mm Green – Full Set

Omega - 220.10.38.20.10.002 · $4,999
This Omega Seamaster Aqua Terra Shades 38mm features a green dial and is powered by the Caliber 8800 Co-Axial Master Chronometer movement.

  • Condition: Excellent
  • Case size: 38mm diameter
  • Water resistance: 150m depth rating
  • Dial color: Green
Posted at
Jan 13, 2026, 10:45 PM
Active
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[WTS] Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega Aqua Terra Seamaster Quartz 231.10.39.60 38.5mm Grey Teak, Applied Indices - $1,790

Omega - 231.10.39.60 · $1,790
Up for sale is my Omega Aqua Terra Seamaster Quartz 231.10.39.60, a watch measuring at 38.5mm and featuring an Omega 45640 quartz movement.

  • Condition: 8.9/10 - great condition with minimal marks/hairlines on the case, caseback, high polished steel bezel and bracelet clasps/sides
  • Movement: Omega 45640 quartz movement
  • Case Size: 38.5mm diameter
  • Crystal Type: sapphire crystal
Posted at
Jan 13, 2026, 9:01 PM
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[WTS] Omega Aqua Terra 2504.50

Omega Aqua Terra 2504.50

Omega - 2504.50 · $2,500
Aqua Terra 2504.50, a luxury watch with legibility concerns due to lack of Arabic indices. The watch has a recent service history and comes with additional accessories.

  • Condition: Pre-owned with some minor cosmetic imperfections
  • Crown service history: recently serviced and replaced
  • Bracelets included: Forstner Flat Link, Forstner Contemporary Flat Link
Posted at
Jan 13, 2026, 3:19 PM
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[WTS] Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega Seamaster Aqua Terra 38.5mm –Discontinued Grey Skyfall “Teak”Dial - Full Set in Excellent Condition

Omega - 231.10.39.21.06.001 · $3,950
A 2021 Omega Seamaster Aqua Terra 38.5mm with a highly sought-after grey teak 'Skyfall' dial, featuring an in-house Calibre 8500 Co-Axial movement and a smooth 60-hour power reserve.

  • Condition: Excellent
  • Case Size: 38.5mm diameter
  • Dial Color: grey with teak pattern
  • Movement: Omega Co-Axial Calibre 8500
Posted at
Jan 12, 2026, 11:33 PM
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[WTS] Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,250

Omega Aqua Terra 220.10.41.21 Black Dial 41mm Full Kit 2023 - $4,250

Omega - 220.10.41.21 · $4,250
Up for sale is my very good condition Omega Seamaster Aqua Terra with a Calibre OMEGA 8900 automatic movement and measuring at 41mm.

  • Condition: Very good condition, minor marks on the case back and bezel
  • Movement: Calibre OMEGA 8900 automatic movement
  • Case size: 41mm diameter
  • Water resistance: 150m
Posted at
Jan 12, 2026, 8:38 PM
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[WTS] Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega Seamaster Aqua Terra |Silver/White teak-pattern dial with solid 18K rose gold hands | 150M 38.5mm | 2023 Full Set in Mint Condition

Omega - 231.13.39.21.02.003 · $4,890
A beautifully proportioned Omega Seamaster Aqua Terra 150M in the highly sought-after 38.5mm case, powered by Omega’s in-house Master Co-Axial Caliber 8500.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Movement: Omega Master Co-Axial Cal. 8500
  • Dial: Silver-white teak pattern
Posted at
Jan 12, 2026, 8:14 PM
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[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega - 220.10.41.21.03.002 · $3,999
This Omega Seamaster Aqua Terra features a blue dial with a 150m water resistance.

  • Condition: like new
  • Bracelet length: 7.25 inches
  • Payment methods: Zelle, Venmo, Western Union
Posted at
Jan 12, 2026, 2:43 PM
Active
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