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

Reference 231.20.39.21.06.001

About this watch

The Omega Aqua Terra 231.20.39.21.06.001 is a masterclass in luxury watchmaking, seamlessly blending elegance with functionality. Its stunning round case, crafted from stainless steel and red gold, exudes sophistication while its grey dial provides exceptional readability. The proprietary hands ensure smooth movement, making it perfect for everyday wear. At the heart of this timepiece lies the Omega caliber 8500 movement, a technical marvel that showcases Omega's commitment to innovation. With a water resistance rating of 150 meters, this watch is built for adventure and can handle the elements with ease. Whether you're in a board meeting or at a beach party, this watch fits right in, making it the ultimate accessory for anyone serious about horology.
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MSRP: $8,900
Market Price: $4,621

Key Features

  • 38.50mm Stainless Steel and Red Gold Case
  • Sapphire Crystal Glass
  • 150m Water Resistance
  • Omega Caliber 8500 Movement
  • Chronometer Certification
  • Co-Axial Escapement for Reduced Friction

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey / Bracelet
Reference
231.20.39.21.06.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra – Discontinued Black “Teak” Dial| 42mm Master Co- Axial | Reference: 231.10.42.21.01.003| Full Set

Omega Seamaster Aqua Terra – Discontinued Black “Teak” Dial| 42mm Master Co- Axial | Reference: 231.10.42.21.01.003| Full Set

A discontinued, classically styled Aqua Terra with the desirable black teak dial, powered by Omega’s robust Master Co-Axial technology. A versatile luxury sports watch equally at home with a suit or casual wear, and an excellent example of Omega’s technical evolution prior to the Master Chronometer era.

  • Condition: Very good overall condition
  • Diameter: 41.5mm
  • Water resistance: 150m / 500ft
  • Movement type: Master Co-Axial automatic movement
Posted at
Jan 10, 2026, 8:07 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm|Ref: 231.10.42.21.03.003| Full Set | Mint Condition

Omega Seamaster Aqua Terra 150M “Spectre” Blue Dial – 41.5mm|Ref: 231.10.42.21.03.003| Full Set | Mint Condition

This highly sought-after Aqua Terra 'Spectre' configuration features a blue teak dial and in-house Calibre 8500, delivering reliable Co-Axial performance and strong wrist presence.

  • Condition: Excellent condition throughout
  • Case size: 41.5mm
  • Depth rating: 150m
Posted at
Jan 10, 2026, 6:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz Grey Teak, 38.5mm | 231.10.39.60

Omega Seamaster Aqua Terra 150m | Quartz Grey Teak, 38.5mm | 231.10.39.60

A 38.5mm Omega Seamaster Aqua Terra 150m quartz watch with a grey teak dial, available for sale.

  • Condition: 8.9/10, minimal marks/hairlines on the case back and bracelet sides
  • Case material: steel
  • Bracelet type: original Omega steel
  • Water resistance: 150m
Posted at
Jan 10, 2026, 4:07 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

This Omega Seamaster Aqua Terra features a 38.5mm case, Calibre 8500 movement, and a 7.25 inch long bracelet.

  • Movement: Calibre 8500 Co-Axial
  • Case Size: 38.5mm diameter
  • Bracelet Length: 7.25 inches
Posted at
Jan 10, 2026, 12:28 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

The Omega Seamaster Aqua Terra 150m is a quartz watch with a 38.5mm diameter and a 7.25" bracelet.

  • Case size: 38.5mm
  • Bracelet length: 7.25 inches
Posted at
Jan 10, 2026, 12:24 PM
Active
[WTS] 2022 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

2022 Omega Seamaster Aqua Terra 150M 41mm Silver Dial 220.12.41.21.02.002 Full Set Excellent

The Omega Seamaster Aqua Terra 150M is a versatile watch that blends everyday style with refined nautical design, featuring a stainless steel case and a silver 'teak concept' dial.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Dial color: silver
Posted at
Jan 8, 2026, 9:34 AM
Active
[WTS] Omega Seamaster Aqua Terra SkyFall Blue Teak Dial 231.10.42.21.03.003

Omega Seamaster Aqua Terra SkyFall Blue Teak Dial 231.10.42.21.03.003

This Omega Seamaster Aqua Terra has a blue teak-patterned dial that changes shades depending on the light. It features the Master Co-Axial movement for improved precision and anti-magnetic performance. The watch was featured in Spectre and No Time To Die.

  • Condition: Scratches, scuffs/dings on the case, bezel, and bracelet; sapphire crystal clean
  • Model: Seamaster Aqua Terra
  • Movement: Master Co-Axial
  • Bezel material: Stainless steel
Posted at
Jan 7, 2026, 11:16 PM
Active
[WTS] 2025 Omega Seamaster Aqua Terra 41mm Steel Turquoise Dial 220.10.41.21.03.006 Full Set

2025 Omega Seamaster Aqua Terra 41mm Steel Turquoise Dial 220.10.41.21.03.006 Full Set

This Omega Seamaster Aqua Terra features a 41mm stainless steel case, turquoise dial with black gradient, and is powered by an automatic mechanical movement.

  • Condition: Very nice preowned condition with some very light scratches on the case and bracelet
  • Case Material: Stainless Steel
  • Case Dimensions: 41mm diameter
  • Bezel: Stainless Steel Smooth Bezel
Posted at
Jan 7, 2026, 8:15 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 )

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