Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet

Reference 231.55.39.21.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet is a stunning piece that combines luxury with functionality. Its exquisite design, reliable movement, and versatility make it a worthy addition to any watch collection. With its luxurious features and unique design elements, this watch is certainly a conversation starter. The round case has a diameter of 38.5 mm, making it a versatile size that comfortably fits both small and large wrists. It strikes a perfect balance, neither too overwhelming nor too dainty. The open case back allows you to admire the intricate movement within, a testament to Omega’s commitment to transparency and craftsmanship. At the heart of the Seamaster Aqua Terra 150M lies the Omega Caliber 8501, an automatic movement with a frequency of 25,200 vibrations per hour, ensuring precision and reliability. With a water resistance rating of 150 meters, this watch is not just a pretty face; it’s built for adventure. Whether you’re swimming, snorkeling, or just splashing about, you can do so with peace of mind. This watch seamlessly transitions from casual to formal settings, making it perfect for any occasion.
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MSRP: $44,500
Market Price: $15,892

Key Features

  • Omega Caliber 8501 Automatic Movement
  • 38.5mm Yellow Gold Case
  • Gem-Set Bezel and Indexes
  • Sapphire Glass Crystal
  • 150m Water Resistance
  • Date Function and Chronometer Certified

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Co-Axial 38.5 Yellow Gold / Diamond / MOP / Bracelet
Reference
231.55.39.21.55.002
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 2504.50 // 36mm // 150m WR // 2025 Full Service

Omega Aqua Terra 2504.50 // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,725
The Omega Aqua Terra is a modern classic with a black dial and co-axial movement, suitable for various activities.

  • Condition: Great, light hairlines throughout but no major blemishes to note
  • Case material: stainless steel
  • Case diameter: 36.2mm
  • Lug-to-lug: 44mm
Posted at
Jan 17, 2026, 8:12 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

This listing is for an Omega Seamaster Aqua Terra 150m with Calibre 8500 Co-Axial movement, featuring a 38.5mm case size and a 7.25-inch long bracelet.

  • Depth rating: 150m
  • Bracelet length: 7.25 inches
Posted at
Jan 17, 2026, 5:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m, a 38.5mm quartz watch with a 7.25 inch bracelet.

  • Water resistance: 150m
  • Movement type: Quartz
Posted at
Jan 17, 2026, 5:54 PM
Active
[WTS] Omega Seamaster Aqua Terra Reference 2503.80.00 Box & Papers

Omega Seamaster Aqua Terra Reference 2503.80.00 Box & Papers

Omega - 2503.80.00 · $3,800
A 2006 Omega Seamaster Aqua Terra in good preowned condition, functions as it should and keeps excellent time at around +1 sec/day.

  • Condition: 8/10 - good preowned condition with signs of normal use
  • Case diameter: 39.2mm
  • Movement: Omega 2500 (Chronometer)
  • Water resistance: 150m
Posted at
Jan 17, 2026, 5:14 PM
Active
[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,395 Shipped

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,395 Shipped

Omega - 2504.30 · $2,395
The Omega Seamaster Aqua Terra features a beautiful sunburst, silver dial and compact 36mm case diameter. It's a perfect all-rounder with lovely proportions.

  • Condition: very good condition with minimal wear
  • Case Diameter: 36mm
  • Movement: Omega Co-axial 2500
Posted at
Jan 17, 2026, 4:40 PM
Active
[WTS] 2025 OMEGA Seamster Aqua Terra 41mm 150M – Green Teak Wood Dial - Full Set

2025 OMEGA Seamster Aqua Terra 41mm 150M – Green Teak Wood Dial - Full Set

A 2025 OMEGA Seamaster Aqua Terra 41mm watch features a green teak wood dial and is fully set, including an international warranty.

  • Condition: Excellent with minor wear
  • Case Size: 41mm diameter
  • Lug To Lug: 47.9mm
  • Thickness: 13.2mm
Posted at
Jan 17, 2026, 3:41 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

The Omega Seamaster Aqua Terra 150M reference 231.10.39.21.03.002 is a sporty and refined watch that sits ideally between versatility and wrist presence, measuring 38.5 mm in size.

  • Condition: Mint Condition
  • Case size: 38.5mm
  • Depth rating: 150m
  • Movement: Omega Co-Axial calibre 8500 with 60-hour power reserve
Posted at
Jan 17, 2026, 12:36 PM
Active
[WTS] 2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

2022 Omega Seamaster Aqua Terra Golf 42mm, a high-end watch designed for golfers.

  • Size: 42mm
Posted at
Jan 17, 2026, 11:59 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial capturing the essence of a perfect day at sea with laser-ablated texture and depth.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm diameter
  • Bracelet length: ~7 inch
  • Contents: ULTIMATE SET - includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt
Posted at
Jan 16, 2026, 7:18 PM
Active