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

Reference 231.20.39.21.06.004

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

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.06.004 is a masterclass in luxury watchmaking, blending classic elegance with modern functionality. This stunning timepiece boasts impressive technical specifications, including the Omega caliber 8500 automatic movement, Co-Axial escapement, and a power reserve of 60 hours. The combination of stainless steel and yellow gold gives it a luxurious yet robust feel, while the grey dial features stick and dot indexes for a clean and modern look. With its water resistance of up to 150 meters, this watch is perfect for those who enjoy aquatic adventures or daily wear. Whether you're at a business meeting or a beach party, the Omega Seamaster Aqua Terra elevates your outfit with its exceptional build quality and stylish design. As a chronometer, it has passed rigorous testing to ensure accuracy and reliability.
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MSRP: $7,700
Market Price: $3,492

Key Features

  • Omega caliber 8500 automatic movement
  • Co-Axial escapement for reduced friction and enhanced longevity
  • 60-hour power reserve for reliable timekeeping
  • Water resistance of up to 150 meters for aquatic adventures or daily wear
  • Stainless steel and yellow gold construction for luxurious yet robust feel
  • Grey dial with stick and dot indexes for clean modern look
  • Sapphire glass for added durability and scratch resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / Grey / Bracelet
Reference
231.20.39.21.06.004
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 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 · $6,500
This Omega Aqua Terra 8900 is a brand new watch with a Lacquer Black Dial, featuring a stainless steel case and master chronometer movement.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: Master Chronometer
Posted at
Apr 10, 2026, 1:41 PM
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[WTS] Omega Aqua Terra 8900 41mm Turquoise 220.10.41.21.03.006 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise 220.10.41.21.03.006 ( new / 2026 / box and papers )

Omega - 220.10.41.21.03.006 · $6,450
Up for sale is a brand new Omega Aqua Terra 8900 41mm Turquoise Dial on Bracelet, complete with all boxes and papers.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: Master Chronometer Movement
Posted at
Apr 10, 2026, 1:36 PM
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[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega - 220.10.41.21.10.001 · $5,995
This Omega Aqua Terra 8900 features a green dial and is paired with a stainless steel case, equipped with the Master Co-Axial Movement.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement: Master Co-Axial
Posted at
Apr 10, 2026, 1:31 PM
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[WTS] Omega Aqua Terra 8800 38mm White Diver 220.12.38.20.02.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm White Diver 220.12.38.20.02.001 ( new / 2026 / box and papers )

Omega - 220.12.38.20.02.001 · $5,950
A brand new Omega Aqua Terra 8800 38mm stainless steel watch with a white dial on a rubber strap, coming complete with all boxes and papers.

  • Condition: Brand new
  • Movement Type: Master Chronometer Movement
  • Case Material: Stainless Steel
  • Case Size: 38mm diameter
Posted at
Apr 10, 2026, 1:26 PM
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[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega - 220.12.38.21.10.001 · $5,750
This Omega Aqua Terra 8800 features a 38mm stainless steel case, green dial, and master co-axial movement.

  • Condition: Brand new
  • Case material: Stainless Steel
  • Movement type: Master Co-Axial
Posted at
Apr 10, 2026, 1:22 PM
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[WTS] Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega Seamaster Aqua Terra Worldtimer – Blue Strap – Ref. 220.10.43.22.03.001 – Unworn 2025

Omega - 220.10.43.22.03.001 · $7,980
This Omega Seamaster Aqua Terra Worldtimer features a striking blue dial and matching blue strap, showcasing one of Omega's most impressive complications. The watch boasts a 43mm stainless steel case, laser-ablated world map center, and global city ring on the ceramic bezel.

  • Condition: New / Unworn
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
  • Power reserve: 60 hours
Posted at
Apr 9, 2026, 11:04 PM
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[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200
The Omega Seamaster Aqua Terra features a 38.5mm stainless steel case on a stainless steel bracelet with a deployant clasp, and it's equipped with the Omega Co-Axial calibre 8601. What sets this watch apart is its annual calendar complication, which automatically accounts for months with 30 or 31 days and only needs adjustment once per year.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Case material: stainless steel
  • Bracelet material: stainless steel
Posted at
Apr 9, 2026, 5:18 PM
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[WTS] Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Turquoise / Black Ceramic 220.32.41.21.03.001 ( new / 2026 / box and papers )

Omega - 220.32.41.21.03.001 · $6,995
This Omega Aqua Terra 8900 features a 41mm stainless steel and black ceramic case with a turquoise dial, showcasing the brand's Master Chronometer movement.

  • Condition: Brand new
  • Movement: Master Chronometer Movement
  • Case material: Stainless Steel / Black Ceramic
  • Size: 41mm diameter
Posted at
Apr 9, 2026, 2:08 PM
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[WTS] BNIB Omega Seamaster Aqua Terra Black Lacquer 41mm Full Kit - REF# 220.10.41.21.01.0 $6,449 + label

BNIB Omega Seamaster Aqua Terra Black Lacquer 41mm Full Kit - REF# 220.10.41.21.01.0 $6,449 + label

Omega - 220.10.41.21.01.0 · $6,449
This Omega Seamaster Aqua Terra features a black lacquer dial and is powered by OMEGA's Co-Axial Master Chronometer calibre 8900, certified at the industry's highest standard.

  • Condition: Brand new, fully stickered, unworn
  • Calibre: Co-Axial Master Chronometer 8900
  • Case Material: Black Lacquer Dial (Blackquaterra)
Posted at
Apr 9, 2026, 11:45 AM
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