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.
Buy Now on Jomashop
This is an affiliate link
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 - $4000 Shipped

OMEGA Seamaster Aqua Terra - $4000 Shipped

This is a personal favorite, very babied. Running at +1sec/24hrs. Just a gorgeous piece.

  • Condition: Minty, with minor hairlines in hard to see spots
  • Case condition: Minty case and crystal
  • Bracelet type: Brushed
Posted at
Mar 8, 2026, 7:18 PM
Active
[WTS] Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

A Omega Seamaster Aqua Terra Shades "Sandstone" watch in 38mm size, described as one of the best looking omegas of all time, available for sale.

  • Condition: Lightly pre-owned with light, normal wear throughout
  • Size: 38mm diameter
  • Accuracy: +1 second/day
  • Amplitude: 300+
Posted at
Mar 8, 2026, 7:00 PM
Active
[WTS] Omega Aqua Terra 41mm blue with both OEM bracelet and rubber options

Omega Aqua Terra 41mm blue with both OEM bracelet and rubber options

Omega - 41mm Aqua Terra · $4,200
This Omega Aqua Terra 41 mm blue dial watch features a 8900 movement with an independent jumping hour hand complication, suitable for travel. It keeps excellent time and comes in excellent condition.

  • Condition: Excellent condition with only the slightest of wear
  • Movement: 8900 movement
  • Bracelet options: OEM bracelet, OEM rubber strap with deployant and end links
  • Straps included: $495 each
Posted at
Mar 8, 2026, 12:35 PM
Active
[WTS] Omega Seamaster Aqua Terra Links

Omega Seamaster Aqua Terra Links

Omega · $50
This Omega Seamaster Aqua Terra is an excellent condition watch that has never been used. It is priced to sell and comes with authentic OEM links.

  • Condition: Excellent, never used
  • Status: Genuine OEM Authentic
Posted at
Mar 7, 2026, 8:34 PM
Active
[WTS] Omega Seamaster Aqua Terra 41.5mm 231.10.42.21.03.003 | 2023 Box and Papers

Omega Seamaster Aqua Terra 41.5mm 231.10.42.21.03.003 | 2023 Box and Papers

2023 Omega Seamaster Aqua Terra 41.5mm watch in very good condition. The watch has a slight wear on the polished parts of the case, bezel, and bracelet, as well as a tiny ding by 8 o'clock on the bezel.

  • Condition: Great Pre-Owned Condition with slight wear on polished parts and a tiny ding by 8 o'clock on bezel
  • Case Size: 41.5mm
  • Bracelet Links: 15.5 Links
  • Serviced: Unknown
Posted at
Mar 7, 2026, 4:30 PM
Active
[WTS] Omega Seamaster Aqua Terra – Ref 231.23.39.21.06.001 – 2012 Full Set

Omega Seamaster Aqua Terra – Ref 231.23.39.21.06.001 – 2012 Full Set

This Aqua Terra presents exceptionally well overall, with a stainless steel case and a distinctive feature of a solid 18k gold bezel paired with matching gold hands and crown.

  • Condition: Very good condition
  • Case size: 39mm diameter
  • Year of manufacture: 2012
  • Movement type: Co-Axial automatic
Posted at
Mar 7, 2026, 9:58 AM
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

The Omega Seamaster Aqua Terra 150m features a blue dial and a 41.5mm case, along with a Master Co-Axial movement.

  • Depth rating: 150m
  • Bracelet length: 7.25 inches
Posted at
Mar 7, 2026, 9:12 AM
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 'Summer Blue' is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial with a laser-ablated Earth design surrounded by a 24-hour glass ring indicating day and night.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm
  • Bracelet length: ~7 inches
Posted at
Mar 6, 2026, 8:19 PM
Active