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

Reference 231.23.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterclass in luxury watchmaking, combining stunning design with advanced movement technology. This Swiss-made timepiece boasts a harmonious blend of stainless steel and yellow gold, topped off with a lustrous Mother of Pearl (MOP) dial that adds an ethereal quality to the watch. The Aqua Terra's round shape measures 38.50 mm in diameter, making it suitable for a wide range of wrist sizes. With a water resistance of 150 meters, this watch is ready for a dip in the pool or a day at the beach. Its chronometer certification ensures accuracy and precision, while the open case back showcases the intricate mechanics working away like a tiny universe contained within your wrist.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Omega Caliber 8500 automatic movement
  • Mother of Pearl (MOP) dial with stick and dot indexes
  • Chronometer certification for accuracy and precision
  • Water resistance up to 150 meters
  • Stainless steel and yellow gold case
  • Open case back showcases intricate mechanics
  • Comfortable strap design for everyday wear

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP
Reference
231.23.39.21.55.002
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] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,300馃敟

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,300馃敟

OMEGA - 220.10.38.20.13.003 $6,300
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and polished brushed bracelet.

  • Condition: UNWORN
  • Dial color: Terracotta
  • Case size: 38mm diameter
  • Bracelet length: ~7 inch pre-sized
Posted at
Feb 8, 2026, 7:33 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 $2,750
Aqua Terra 150m with Calibre 8500 Co-Axial movement, a 38.5mm case size and a 7.25 inch long bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Feb 8, 2026, 1:09 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

Omega - 231.10.42.21.03.003 $3,699
This Omega Seamaster Aqua Terra Master Co-Axial features a blue dial and a 41.5mm case.

  • Case Diameter: 41.5mm
  • Bracelet Length: 7.25"
  • Accepted Payment Methods: Zelle, PayPal, or Western Union
Posted at
Feb 8, 2026, 1:00 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega - 220.10.38.20.01.004 $5,750
Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

Omega - 220.10.41.21.10.001 $4,200
The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active
Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

Omega - 220.12.41.21.03.005 $4,650
This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.

  • Condition: Excellent
  • Case material: Stainless Steel
  • Water resistance: 150m
Posted at
Mar 25, 2025, 3:13 PM
Active
Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

Omega - 220.10.38.20.13.003 $5,425
The Omega Seamaster Aqua Terra 38 Shades Collection Watch features a 38mm stainless steel case with a terracotta dial and polished bezel on a stainless steel bracelet.

  • Condition: 96% Near Mint Condition
  • Case size: 38mm diameter
  • Water resistance: 150 meters/500 feet
Posted at
Mar 25, 2025, 1:55 AM
Active
Omega Aqua Terra 8900 - 41mm - Lacquer Black - 220.10.41.21.01.002 ( new )

Omega Aqua Terra 8900 - 41mm - Lacquer Black - 220.10.41.21.01.002 ( new )

Omega - 220.10.41.21.01.002 $5,750
This Omega Aqua Terra 8900 is a 41mm stainless steel watch with a Lacquer Black dial, featuring a Master Chronometer movement and comes complete with all original accessories.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement: Master Chronometer
Posted at
Mar 20, 2025, 3:34 PM
Active