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

Reference 231.23.39.21.02.002

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 is a masterpiece of horology, blending elegance with robust functionality. With its exquisite design, impressive technical specifications, and reputation that precedes it, this watch is more than just a pretty face. The combination of yellow gold and stainless steel creates a rich visual appeal, while the silver dial adorned with stick and dot indexes adds to its refined look. The sapphire glass ensures durability and scratch resistance, making this beauty perfect for everyday wear. At the core lies the Omega caliber 8500, introduced in 2007, a true marvel of engineering offering precision and reliability. The Co-Axial escapement reduces friction between components, enhancing the longevity of the movement. This watch doesn't just keep time; it does so with remarkable precision, marked as a chronometer for meeting high standards of accuracy.
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MSRP: $7,750
Market Price: $3,999

Key Features

  • Yellow gold and stainless steel combination
  • Sapphire crystal glass
  • Omega caliber 8500 movement
  • Co-Axial escapement
  • Chronometer certified
  • 150m water resistance
  • 38.5mm diameter

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Stainless Steel / Yellow Gold / Silver
Reference
231.23.39.21.02.002
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 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 )

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
Active
[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 )

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
Active
[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 )

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
Active
[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 )

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
Active
[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

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
Active
[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
Active
[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 )

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
Active
[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
Active
[WTS] Omega Seamaster Aqua Terra 41mm

Omega Seamaster Aqua Terra 41mm

A 41mm Aqua Terra in teakwood blue with a stainless steel bracelet and OEM blue rubber strap, serviced within the last 2 months.

  • Condition: Excellent, recently serviced
  • Case size: 41mm
  • Bracelet/strap type: blue rubber strap, OEM
  • Band closure: deployant clasp
Posted at
Apr 9, 2026, 10:23 AM
Active