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

Reference 231.20.39.21.02.002

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

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial is a statement piece, blending elegance and functionality in a stunning design. This luxury watch features a dual-tone case made of stainless steel and yellow gold, with a polished finish that shines under different lights. The silver dial is adorned with stick and dot indexes, providing excellent readability. The automatic Omega caliber 8500 movement ensures precision and accuracy, with a power reserve of 60 hours. This versatile timepiece can adapt to any occasion, from formal events to casual outings. With its impressive water resistance of 150 meters, it's perfect for everyday wear, but not suitable for deep diving.
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Key Features

  • Omega caliber 8500 movement
  • Sapphire crystal glass
  • Master Co-Axial Chronometer certification
  • 60-hour power reserve
  • 150-meter water resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver / Bracelet
Reference
231.20.39.21.02.002
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 Aqua Terra Day-Date Blue Dial – Full Set – $3800

Omega Aqua Terra Day-Date Blue Dial – Full Set – $3800

Omega - Aqua Terra Day-Date · $3,800
Up for sale is my Omega Aqua Terra Day/Date with a beautiful blue dial—looks even better in person. The watch is running well and keeping time within COSC specs.

  • Condition: Good condition with normal wear on the case
  • Water Depth Rating: 100m
Posted at
Apr 23, 2026, 7:50 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2517.50 39mm HAQ $1650 Shipped

Omega Seamaster Aqua Terra 2517.50 39mm HAQ $1650 Shipped

Omega - 2517.50 · $1,650
This Omega Seamaster Aqua Terra is a great everyday option with a classic black dial look, offering quartz accuracy and maintenance.

  • Condition: Watch only, presents nicely with honest wear and light scratching, accurate HAQ movement
  • Bracelet size: fits 7.25in wrist
  • Movement: HAQ quartz
Posted at
Apr 23, 2026, 6:32 PM
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[WTS] Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega Seamaster Aqua Terra Worldtimer “Summer Blue”

Omega - 220.10.43.22.03.002 · $7,799
The Omega Seamaster Aqua Terra Worldtimer features a beautiful gradient blue dial with a laser-ablated topographic map of the continents, powered by the METAS certified Co-Axial Master Chronometer Caliber 8938.

  • Condition: Brand new old stock and unworn
  • Case size: 43mm diameter
  • Movement: Omega Co-Axial Master Chronometer Caliber 8938
  • Complications: Worldtimer
Posted at
Apr 23, 2026, 4:41 PM
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[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 · $4,795
This Omega Seamaster Aqua Terra Skyfall Blue is a 2023 model, featuring a 41.5mm case.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41.5mm diameter
Posted at
Apr 23, 2026, 3:04 PM
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[WTS] Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Lacquer Black 220.10.41.21.01.002 ( new / 2026 / box and papers )

Omega - 220.10.41.21.01.002 · $6,250
This Omega Aqua Terra 8900 features a 41mm stainless steel case and Master Chronometer movement, along with a Lacquer Black dial.

  • Condition: New
  • Case Material: Stainless Steel
  • Movement: Master Chronometer Movement
Posted at
Apr 23, 2026, 2:05 PM
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[WTS] Omega Aqua Terra 38.5mm | 231.10.39.21.02.001 | Complete Set

Omega Aqua Terra 38.5mm | 231.10.39.21.02.001 | Complete Set

Omega - 231.10.39.21.02.001 · $3,650
This Omega Aqua Terra is a 2019 model, complete with a large wooden double box set and various documentation.

  • Condition: Very good with minor scratches
  • Case size: 38.5mm diameter
  • Year: 2019
Posted at
Apr 23, 2026, 10:05 AM
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[WTS] Omega Aqua Terra Black Wave Dial

Omega Aqua Terra Black Wave Dial

Omega - 231.10.42.01.006 · $4,500
I'm selling an Omega Aqua Terra Black Wave Dial, which I bought from Japan last year as NOS and have only worn it about 10 times.

  • Condition: Pre-owned, like new
  • Origin: Japan
  • Warranty: No warranty provided
  • Shipping: Ships from Canada
Posted at
Apr 23, 2026, 9:40 AM
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[WTS] Omega aqua Terra 39 grey dial

Omega aqua Terra 39 grey dial

Omega - 231.10.39.21.06.001
This Omega Seamaster Aqua Terra 38.5mm features a grey teak-pattern dial, powered by an in-house Co-Axial Caliber 8500 with ~60-hour power reserve.

  • Condition: Excellent pre-owned condition
  • Case size: 38.5mm
  • Movement: Automatic (Co-Axial Caliber 8500)
  • Power reserve: ~60 hours
Posted at
Apr 22, 2026, 10:58 PM
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[WTS] Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega Seamaster Aqua Terra Grey Teak 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,899
This Omega Seamaster Aqua Terra features a classic teak-pattern gray dial and is available in very good condition.

  • Condition: Very good overall condition with minimal signs of use.
  • Case Size: 38.5mm
  • Movement Type: Omega Co-Axial automatic movement
  • Bracelet Length: up to approximately a 6.75" wrist
Posted at
Apr 22, 2026, 8:20 PM
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