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 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

This Omega Seamaster Aqua Terra is a blue watch with a 150m water resistance rating.

  • Bracelet length: 7.25 inches
Posted at
Jan 19, 2026, 7:29 PM
Active
[WTS] Omega Seamaster Aqua Terra - 38.5mm - 231.10.39.60.02.001 - Clean!

Omega Seamaster Aqua Terra - 38.5mm - 231.10.39.60.02.001 - Clean!

This Omega Seamaster Aqua Terra features a 38.5mm case with a Caliber 4564 quartz movement, making it an easy watch to wear and maintain.

  • Case size: 38.5mm
  • Bracelet type: original
  • Wrist fit: up to 6.75 inch
Posted at
Jan 19, 2026, 3:00 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial Auto - 36mm - 2504.80 - Clean!

Omega Seamaster Aqua Terra Blue Dial Auto - 36mm - 2504.80 - Clean!

Omega - 2504.80 · $2,650
This Omega Seamaster Aqua Terra features a 36.2mm case with a navy blue sunburst dial and Co-Axial automatic movement.

  • Condition: Excellent overall condition with minimal wear
  • Case size: 36.2mm
  • Movement type: Co-Axial automatic
  • Crystal type: domed sapphire with anti-reflective coating
Posted at
Jan 19, 2026, 2:03 PM
Active
[WTS] Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition

Omega Seamaster Aqua Terra “Skyfall” Black Teak 38.5mm|Ref. 231.10.39.21.01.001 | Discontinued | Full Set | Mint Condition

This Omega Aqua Terra “Skyfall” features a discontinued black “teak-concept” dial, in-house Co-Axial Calibre 8500 movement with 60-hour power reserve and anti-magnetic performance up to 15,000 gauss. At 38.5mm, it strikes the perfect balance between refined, timeless design and wearability.

  • Condition: Mint Condition
  • Diameter: 38.5mm
  • Movement: Co-Axial Calibre 8500
  • Bracelet size: up to an 18cm wrist
Posted at
Jan 19, 2026, 1:50 PM
Active
[WTS] Omega Aqua Terra Small Seconds

Omega Aqua Terra Small Seconds

The watch is an Omega Aqua Terra with a small seconds feature.

Posted at
Jan 19, 2026, 1:37 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm Black/Steel | 220.12.38.20.01.001 | No Box or Papers | Extra Alligator Leather Strap | Good Condition | Priced to Sell

Omega Seamaster Aqua Terra 38mm Black/Steel | 220.12.38.20.01.001 | No Box or Papers | Extra Alligator Leather Strap | Good Condition | Priced to Sell

The Omega Seamaster Aqua Terra is a tribute to OMEGA’s rich maritime heritage, featuring a stainless steel case and a black dial with a horizontal ‘teak’ pattern.

  • Condition: Good condition, has a few scratches
  • Case diameter: 38mm
  • Water resistance: 150m
  • Power reserve: 55 hours
Posted at
Jan 19, 2026, 11:38 AM
Active
[WTS] Omega Speedmaster Aqua Terra 38mm Full Set

Omega Speedmaster Aqua Terra 38mm Full Set

Omega - Aqua Terra 38mm · $4,250
Beautiful Omega Aqua Terra 38mm up for sale. It has a protective film on the case and bracelet, adding scratch protection.

  • Condition: Good pre-owned condition
  • Bracelet length: 6.75in
  • Strap material: rubber
  • Box contents: Inner and Outter Box, cards, tag, OEM bracelet, another set of WatchShell film and tweezers
Posted at
Jan 19, 2026, 10:52 AM
Active
[WTS] Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

A 2023 Omega Seamaster Aqua Terra Grey, with a 41mm case size, available in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Size: 41mm diameter
  • Contents: full links, inner & outer box, card holder, international warranty card, master chronometer card, pictograms card
Posted at
Jan 19, 2026, 10:41 AM
Active
[WTS] Omega Aqua Terra 38mm // METAS Chronometer // 150m WR // Full Kit

Omega Aqua Terra 38mm // METAS Chronometer // 150m WR // Full Kit

This listing is for an Omega Aqua Terra ref. 220.10.38.20.01.001 from late 2023, featuring a stainless steel case with automatic movement.

  • Condition: Great, minor hairlines or two on the polished bezel and bracelet
  • Case diameter: 38mm
  • Lug-to-lug: 45mm
  • Lug width: 19mm
Posted at
Jan 18, 2026, 7:14 PM
Active