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

Reference 231.20.39.21.06.003

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterpiece of luxury watchmaking, boasting an impressive combination of style, functionality, and technical excellence. Its stunning grey dial, crafted from the finest materials, exudes elegance and sophistication, while its sapphire glass offers unparalleled scratch-resistance and clarity. Powered by the Omega Caliber 8500, an automatic movement with a 60-hour power reserve, this watch is built for performance and durability. With a water resistance of up to 150 meters, it's perfect for adventure-seekers and those who value versatility. Whether you're dressing up or down, this watch seamlessly transitions through various settings, making it the ultimate accessory for modern watch enthusiasts.
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MSRP: $7,700
Market Price: $3,572

Key Features

  • Omega Caliber 8500 Automatic Movement
  • Sapphire Glass with Scratch-Resistance
  • Stainless Steel / Red Gold Case Material
  • Water Resistance Up to 150 Meters
  • 38.50 mm Diameter
  • 60-Hour Power Reserve
  • Co-Axial Escapement for Enhanced Accuracy

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey / Bracelet
Reference
231.20.39.21.06.003
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 | 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

This listing is for an Omega Seamaster Aqua Terra Master Co-Axial, a blue-coloured watch with a 41.5mm case size.

  • Bracelet Length: 7.25"
Posted at
Feb 16, 2026, 1:26 PM
Active
[WTS] Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

Omega Seamaster Aqua Terra Ref. 231.10.42.21.03.003 Excellent Condition

The Omega Seamaster Aqua Terra reference 231.10.42.21.03.003 is a versatile watch that combines sport and elegance, featuring a teak-pattern dial and sapphire display caseback.

  • Condition: Excellent pre-owned condition
  • Case diameter: 42mm
  • Movement: Omega Co-Axial automatic
Posted at
Feb 15, 2026, 9:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Blue Dial - 36mm - 2504.80 - Clean!

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

Omega - 2504.80 · $2,595
This Omega Seamaster Aqua Terra features a navy blue sunburst dial and is powered by Omega's Co-Axial automatic movement, housed in a 36.2mm case.

  • Condition: Excellent overall condition, minimal wear
  • Case diameter: 36.2mm
  • Crystal type: domed sapphire crystal with anti-reflective coating
  • Bracelet material: stainless steel
Posted at
Feb 15, 2026, 5:50 PM
Active
[WTS] Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents - Complete Set

Omega Seamaster Aqua Terra - ‘Blue Wave’ Gold Accents - Complete Set

Omega - 23110422103006 · $5,250
The Omega Seamaster Aqua Terra 150M 'Blue Wave Dial' is a striking Aqua Terra released for a very short period in limited production, featuring a blue dial with a wave pattern and 18K yellow gold accents.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Water resistance: 150M / 15 bar
  • Movement: Omega Master Co-Axial calibre 8500
Posted at
Feb 15, 2026, 4:28 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Price Reduced!

Omega Seamaster Aqua Terra Quartz - 38.5mm - 231.10.39.60.02.001 - Price Reduced!

This Omega Seamaster Aqua Terra Quartz is a simple yet elegant watch with a Caliber 4564 quartz movement and 38.5mm case, perfect for those who want a proven brand without the expense of an automatic movement.

  • Case size: 38.5mm
  • Movement type: quartz
  • Bracelet type: original
Posted at
Feb 15, 2026, 1:49 PM
Active
[WTS] 2025 Omega Aqua Terra 38m

2025 Omega Aqua Terra 38m

Omega - Aqua Terra 38mm · $4,750
This is a 2025 Omega Aqua Terra 38mm watch for sale. It's less than a year old and comes in good shape.

  • Condition: Good, with scratches on crystal and hairline scratches
  • Case size: 38mm diameter
  • Year: 2025
  • Box and papers included: Yes
Posted at
Feb 14, 2026, 10:34 PM
Active
[WTS] Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

This Omega Seamaster Aqua Terra 'SKYFALL' is a James Bond edition watch with a blue teak dial as seen in the SkyFall scenes, featuring an automatic movement and stainless steel case.

  • Condition: Excellent
  • Movement: Omega Co-Axial 8500 calibre automatic movement
  • Case size: 38.5mm diameter
  • Water resistance: 150m
Posted at
Feb 14, 2026, 6:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz 231.10.39.60.06.001 $2,299

Omega Seamaster Aqua Terra Quartz 231.10.39.60.06.001 $2,299

The Omega Seamaster Aqua Terra Quartz is a highly regarded, all-around luxury watch that can seamlessly transition from formal events to casual wear.

  • Condition: Excellent pre-owned condition
  • Case Diameter: 38.5mm diameter
  • Lug Width: 19mm lug width
  • Lug To Lug: 45.4mm length of lugs
Posted at
Feb 14, 2026, 2:19 PM
Active
[WTS] Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

This Omega Seamaster Aqua Terra White is a 2024 model with minimal signs of wear and in excellent working condition, having been thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Contents: full set including watch, inner & outer box, card holder, international warranty card, master chronometer card, pictograms card
Posted at
Feb 14, 2026, 12:11 PM
Active