Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet

Reference 231.20.39.21.02.001

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a marvel of Swiss watchmaking, offering an exquisite blend of style and performance. Its stunning stainless steel and red gold case strikes a perfect balance between boldness and wearability, while the silver dial features stick and dot indexes for clean readability. The in-house caliber 8500 movement, featuring a Co-Axial escapement, reduces friction and enhances precision, making it a reliable companion for those who lead active lifestyles. With a water resistance of 150 meters and a certified chronometer status, this timepiece is designed to keep impeccable time while withstanding the rigors of everyday wear. Whether you're in the boardroom or on the beach, this watch is sure to catch eyes and reflect your taste for quality. Its blend of elegance and functionality makes it perfect for anyone who values style and precision.
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Key Features

  • Stainless Steel and Red Gold Case
  • In-House Caliber 8500 Movement
  • 150m Water Resistance
  • Certified Chronometer Status
  • Sapphire Glass
  • 38.50mm Diameter
  • 60-hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver / Bracelet
Reference
231.20.39.21.02.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
Silver
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

A blue Omega Seamaster Aqua Terra with a 7.25" bracelet, featuring a 150m water resistance.

  • Bracelet length: 7.25 inches
Posted at
Dec 13, 2025, 6:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

Omega Seamaster Aqua Terra 38mm White (220.10.38.20.02.001) – $3,900 Complete Set

A used Omega Seamaster Aqua Terra in white/silver, purchased in March 2020 and no longer under warranty.

  • Condition: Excellent, with minor scratches and scuffs
  • Year Purchased: 2020
  • Retail Price: 7100
  • Warranty Status: no longer under warranty
Posted at
Dec 13, 2025, 6:01 PM
Active
[WTS] WatchScene Favorites – Omega Seamaster Aqua Terra ‘Blue Wave’ with Gold Accents

WatchScene Favorites – Omega Seamaster Aqua Terra ‘Blue Wave’ with Gold Accents

Omega - 23110422103006 · $4,750
This Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue dial with wave pattern, 18K yellow gold accents and is powered by the Omega Master Co-Axial calibre 8500.

  • Condition: Excellent all-around condition
  • Case size: 41.5mm diameter
  • Movement: Omega Master Co-Axial calibre 8500
  • Water resistance: 150m depth rating
Posted at
Dec 12, 2025, 8:28 PM
Active
[WTS] (omega seamaster Aqua terra NZL-32 Regatta chronograph 2513.30) price is 2850$

(omega seamaster Aqua terra NZL-32 Regatta chronograph 2513.30) price is 2850$

Omega - 2513.30 · $2,800
Omega Seamaster Aqua Terra NZL-32 Regatta chronograph, a high-end watch with various features.

  • Shipping cost: 50$
  • Payment methods: PayPal & crypto
Posted at
Dec 12, 2025, 12:47 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz - FULL SET! - Ref. 2518.50 - 36mm - $1,800 shipped!

Omega Seamaster Aqua Terra Quartz - FULL SET! - Ref. 2518.50 - 36mm - $1,800 shipped!

Omega - 2518.50 · $1,800
This Omega Seamaster Aqua Terra Quartz is a 36mm watch with a full set available for purchase.

Posted at
Dec 12, 2025, 9:43 AM
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
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

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 )

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