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 Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

Omega Aqua Terra Quartz 38.5mm Grey Dial 4654 231.10.39.60.06.00 $1,700

A Omega Seamaster Aqua Terra Quartz with a grey dial and 38.5mm case size, available for sale in full set with box and papers.

  • Condition: Full set, recently polished
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 18, 2025, 2:24 AM
Active
[WTS] Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

Omega Aqua Terra 38.5 Quartz Second Gen White 231.10.39.60.02.001 $1,700

This Omega Aqua Terra Second Gen features a white dial and quartz movement. The watch has been recently polished to look like new, with a 38.5mm case size suitable for an 18.5cm wrist.

  • Condition: like new
  • Case Size: 38.5mm
  • Movement Type: Quartz
Posted at
Oct 17, 2025, 10:09 PM
Active
[WTS] Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega Seamaster Aqua Terra 39mm 2503.50 $2200

Omega - 2503.50 · $2,200
This Omega Seamaster Aqua Terra 39mm is a stylish and functional watch that features a clean crystal and fits about an 18cm wrist.

  • Condition: Excellent, little signs of use
  • Case size: 39mm
  • Wrist size: fits about 18cm
Posted at
Oct 17, 2025, 9:10 PM
Active
[WTS] Omega Aqua Terra Co-Axial - FULLY SERVICED this week! - $2,599 Shipped!

Omega Aqua Terra Co-Axial - FULLY SERVICED this week! - $2,599 Shipped!

Omega - 2503.30 · $2,599
This is the classic 39mm Omega Aqua Terra featuring a silver dial and Caliber 2500 Co-Axial movement. The watch has just undergone a complete service and is running accurately.

  • Condition: Excellent with minor mark on left case side
  • Movement: Caliber 2500 Co-Axial
  • Case size: 39mm diameter
  • Water resistance: null
Posted at
Oct 17, 2025, 1:08 PM
Active
[WTS] Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]

Unworn and unfitted Omega Seamaster Aqua Terra 150M 41mm steel on steel - bought Aug 2025 [warranty start date]

This Omega Seamaster Aqua Terra 150M is an automatic watch with a stainless steel case and sapphire crystal.

  • Condition: mint condition, unworn
  • Movement caliber: 8900
  • Water resistance depth rating: 150m
Posted at
Oct 16, 2025, 7:54 PM
Active
[WTS] Omega Seamaster Aqua Terra - 36mm - 2504.80

Omega Seamaster Aqua Terra - 36mm - 2504.80

Omega - 2504.80 · $2,595
The Omega Seamaster Aqua Terra features a stunning navy blue sunburst dial and is powered by Omega's innovative Co-Axial automatic movement.

  • Condition: Excellent overall condition with minimal wear
  • Case Size: 36.2mm diameter
  • Crystal Type: Domed sapphire crystal with anti-reflective coating
Posted at
Oct 16, 2025, 1:17 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active