Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / MOP

Reference 231.13.39.21.55.001

About this watch

Welcome, watch enthusiasts! If you’re on the lookout for a watch that combines elegance, durability, and precision, then you’re in the right place. Today, we’re diving deep into the stunning world of the Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / MOP. With a reference number of 231.13.39.21.55.001, this timepiece is a true gem. The brand has a rich legacy of precision timekeeping, and they’ve even been to the moon! So, you can bet that their timepieces are engineered with meticulous care. The Seamaster Aqua Terra family is all about versatility. Whether you’re dressing up for a gala or just enjoying a casual day out, this collection has something for everyone. The first thing you’ll notice about the Aqua Terra is its breathtaking Mother of Pearl (MOP) dial. It’s like wearing a piece of the ocean on your wrist! The iridescent surface catches light beautifully, creating a mesmerizing display that changes with every angle. With a diameter of 38.50 mm, the watch strikes a perfect balance between formality and casual wear. It’s large enough to make a statement yet not so bulky that it becomes cumbersome. The stainless steel case is polished to perfection, giving it a sleek and shiny appearance. Plus, the open case back is a delightful touch, inviting you to admire the intricate movement inside. This watch isn’t just a timepiece; it’s a conversation starter. With a water resistance of 150 meters, the Aqua Terra is versatile enough for both the beach and the boardroom. Whether you’re swimming, snorkeling, or just caught in an unexpected rainstorm, you don’t have to worry about water damage. Omega really thought of everything! The stainless steel bracelet is both sturdy and comfortable. It features a classic design with a secure clasp that ensures it stays safely on your wrist. The brushed and polished links add a touch of sophistication, making it suitable for any occasion. Plus, it’s adjustable, so you can get the perfect fit. Wearing the Aqua Terra feels like a dream. The weight is just right—not too heavy or too light. You’ll forget you have it on, and yet it draws compliments wherever you go. It’s the kind of watch that makes you feel confident, whether you’re on a business call or enjoying a night out. With its stunning design, robust movement, and unbeatable versatility, this watch is a worthy addition to any collection.
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MSRP: $6,600
Market Price: $3,187

Key Features

  • Omega caliber 8500 movement
  • 38.50 mm stainless steel case
  • 150 meters water resistance
  • Mother of Pearl dial
  • Stainless steel bracelet with secure clasp
  • Open case back for viewing movement
  • Chronometer certified for accuracy

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / MOP
Reference
231.13.39.21.55.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 38.5mm Blue Dial

Omega Aqua Terra 38.5mm Blue Dial

The Omega Aqua Terra features a dark blue dial with vertical teak pattern and measures 38.5mm in diameter, with a lug width of 19mm and thickness of 12.84mm.

  • Condition: Good condition
  • Case Diameter: 38.5 mm
  • Lug Width: 19 mm
  • Thickness: 12.84 mm
Posted at
Apr 26, 2026, 5:45 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 an annual calendar complication, a clean design, and is suitable for everyday wear. The watch has a stainless steel case and bracelet with deployant clasp.

  • Condition: Excellent condition
  • Case size: 38.5mm diameter
  • Bracelet material: stainless steel
Posted at
Apr 26, 2026, 4:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 41mm White Dial (220.10.41.21.02.001) Full Set, Warranty, Excellent Condition

Omega Seamaster Aqua Terra 41mm White Dial (220.10.41.21.02.001) Full Set, Warranty, Excellent Condition

This Omega Seamaster Aqua Terra is a clean and versatile daily watch featuring a white teak dial with orange accents.

  • Condition: Like new with light wear from normal daily use
  • Case size: 41mm diameter
  • Movement type: Co-Axial Master Chronometer
Posted at
Apr 26, 2026, 1:23 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

Omega Seamaster Aqua Terra 231.10.39.60.06.001 $2,225

The Omega Seamaster Aqua Terra Quartz is a versatile luxury watch with exceptional movement technology, often cited as an ideal 'one-and-only-one' watch.

  • Condition: Excellent pre-owned condition
  • Case diameter: 38.5mm
  • Lug width: 19mm
  • Lug-to-lug length: 45.4mm
Posted at
Apr 26, 2026, 12:54 PM
Active
[WTS] Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm · $400
A lightly worn OEM Omega Aquaterra strap with end link and deployant clasp.

  • Condition: Very lightly worn
  • Lug Width: 20mm
  • Strap Material: rubber
Posted at
Apr 25, 2026, 4:50 PM
Active
[WTS] Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

This Omega Aqua Terra is a 41mm watch with a Green Teak dial, featuring a full set and under warranty.

  • Condition: Full set with minimal wear
  • Diameter: 41mm
  • Warranty status: under warranty
Posted at
Apr 25, 2026, 4:09 PM
Active
[WTS] 2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

The Omega Seamaster Aqua Terra Shades stands out with its rich red dial, offering a fresh take on the classic Aqua Terra design.

  • Condition: Mint condition
  • Case diameter: 38mm
  • Movement type: Self-winding Mechanical
  • Case material: Stainless Steel
Posted at
Apr 25, 2026, 2:12 PM
Active
[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

This Omega Seamaster Aqua Terra Skyfall Blue features a blue dial and is a limited edition model from 2023.

  • Condition: Excellent condition with minimal signs of wear.
  • Length: 41.5mm
Posted at
Apr 25, 2026, 9:55 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

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 that captures the essence of a perfect day at sea.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet size: ~7"
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Apr 24, 2026, 6:15 PM
Active