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 GoodPlanet Special Release - Titanium - Lacquered Dial - 38.5mm

Omega Aqua Terra GoodPlanet Special Release - Titanium - Lacquered Dial - 38.5mm

Omega - 23192392104001 · $4,200
Limited-edition Omega Seamaster Aqua Terra 150M 'GoodPlanet' Special Release featuring a grade 5 titanium case, lacquered white dial, and striking blued hands and indices. It is powered by the Omega Master Co-Axial Calibre 8500.

  • Condition: Excellent all-around condition
  • Case material: Grade 5 titanium
  • Dial color: Lacquered white
  • Movement: Omega Master Co-Axial Calibre 8500
Posted at
Dec 23, 2025, 1:00 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega Seamaster Aqua Terra 231.10.39 38.5mm Quartz Grey Teak

Omega - 231.10.39 · $1,800
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39. This watch measures at 39mm and has a Calibre OMEGA 4564 quartz movement.

  • Condition: Good condition, some minor marks/hairlines on the case and sapphire crystal
  • Case size: 38.5mm diameter
  • Movement: Calibre OMEGA 4564 quartz
  • Bracelet length: up to 7-7.25 inch wrists depending on wrist shape
Posted at
Dec 22, 2025, 8:23 PM
Active
[WTT], [WTS] Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

[WTT], Omega Aqua Terra 41mm Blue Teakwood Dial for SMP300 White Dial or $5,400

A 41mm Omega Aqua Terra with blue teakwood dial, received as an inheritance and now being traded for a Seamaster Professional 300 or sold outright.

  • Condition: Excellent condition, minimal wear
  • Movement: Calibre 8900
  • Water Resistance: 150m depth rating
Posted at
Dec 22, 2025, 7:28 PM
Active
[WTS] 2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4750 + Label

A 2023 Omega Seamaster Aqua Terra Shades Collection in Saffron color, featuring a symmetrical case and crown in polished stainless steel, with a lacquered and sun-brushed saffron dial. Powered by OMEGA's Co-Axial Master Chronometer calibre 8800.

  • Condition: Lightly worn, minor scuffs on clasp
  • Case size: 38mm
  • Movement: Co-Axial Master Chronometer calibre 8800
Posted at
Dec 22, 2025, 3:51 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

The OMEGA Seamaster Aqua Terra introduces a vibrant splash of color to the collection with its stunning Terracotta dial, featuring a symmetrical case design that is both elegant and comfortable on the wrist.

  • Condition: [UNWORN]
  • Case diameter: 38mm
  • Bracelet size: ~7"
  • Water resistance: 150m
Posted at
Dec 22, 2025, 9:12 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer 'Summer Blue' Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist.

  • Condition: VERY GOOD - some light scratches on case and bracelet
  • Case size: 43mm
  • Bracelet length: ~7"
  • Contents: ULTIMATE SET - box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Dec 22, 2025, 9:09 AM
Active
[WTS] Omega Seamaster Aqua Terra 150M - Green Dial - 2024 Full Set - Excellent Condition

Omega Seamaster Aqua Terra 150M - Green Dial - 2024 Full Set - Excellent Condition

The Omega Seamaster Aqua Terra 150M features a stunning green dial with a sporty and elegant design, perfect for both weekend and office wear.

  • Condition: Mint / 9.5 out of 10
  • Purchase Year: 2024
  • Included Items: Complete Omega Inner & Outer Box,Wooden Presentation Box,Warranty Card (Dated 2024),Master Chronometer Card & Pictogram Card,Operating Instructions,All Original Links
  • Handling Marks: minor hairline marks on the polished center links
Posted at
Dec 21, 2025, 5:50 PM
Active
[WTS] Omega Seamaster Aqua Terra - ‘Blue Wave’ with Gold Accents

Omega Seamaster Aqua Terra - ‘Blue Wave’ with Gold Accents

Omega - 23110422103006 · $4,750
The Omega Seamaster Aqua Terra 'Blue Wave' features a striking blue wave pattern on its dial, paired with 18K yellow gold hands and indexes. The watch has a 41.5mm stainless steel case and a stainless steel bracelet.

  • Condition: Excellent all-around condition
  • Case material: stainless steel
  • Bracelet material: stainless steel
  • Diameter: 41.5mm
Posted at
Dec 21, 2025, 1:34 PM
Active
[WTS] Omega aqua terra worldtimer green(2022) 18K hands- Recent omega service 2025 6250euro

Omega aqua terra worldtimer green(2022) 18K hands- Recent omega service 2025 6250euro

This Omega Worldtimer in green was recently serviced by Omega and comes with a new warranty card for two more years. The watch has some minor scratches on the bracelet, as seen in the pictures.

  • Condition: great condition, with scratches on the bracelet
  • Bracelet condition: scratches
  • Warranty status: 2 years remaining
  • Box type: Omega box (not original)
Posted at
Dec 21, 2025, 9:27 AM
Active