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.
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 Seamaster Aqua Terra 220.10.38.20.12.001 38mm Saffron Dial – 2023 Complete Set – $4,488 Shipped](https://preview.redd.it/dlxscy2yq0we1.jpg?width=640&crop=smart&auto=webp&s=a7e20f42f8bcca245b8dc03e61db44b07e41ce6d)
Omega Seamaster Aqua Terra 220.10.38.20.12.001 38mm Saffron Dial – 2023 Complete Set – $4,488 Shipped
This Omega Seamaster Aqua Terra features a rare Saffron dial that plays beautifully with light and shifts in different angles.
- Condition: Good overall, with a few marks on the case and bracelet
- Case size: 38mm diameter
- Dial color: Saffron
- Water resistance: 150m depth rating
![[WTS] Omega Aqua Terra 2504.50 36mm Black Dial Watch only $2,300](https://preview.redd.it/cbz7uygz8xve1.jpg?width=640&crop=smart&auto=webp&s=e3cf3c8f0443d3529d9c92e9da80739a9cc6b2b9)
Omega Aqua Terra 2504.50 36mm Black Dial Watch only $2,300
This Omega Aqua Terra is a 36mm watch with a black dial. It's a great timepiece that's in excellent condition, with only minor signs of wear.
- Condition: Great condition, with light scratches on the bracelet
- Case size: 36mm
- Bracelet length: 17.5cm
- Shipping location: Singapore
![[WTS] Omega Seamaster Aqua terra 38.5mm 8500 caliber 231.10.39.21.02.002 $2,500](https://preview.redd.it/8uaiy2a17xve1.jpg?width=640&crop=smart&auto=webp&s=47d7e247f7930821c28c89e0ed8e850e6e56ecb0)
Omega Seamaster Aqua terra 38.5mm 8500 caliber 231.10.39.21.02.002 $2,500
This Omega Seamaster Aqua Terra 38.5mm features the 8500 caliber and is available for sale.
- Condition: Great condition, very light scratches on the bracelet from normal use
- Caliber: 8500
- Case size: 38.5mm
![[WTS] OMEGA Aqua Terra 231.10.39.61.06.001](https://preview.redd.it/a215yarvvwve1.jpg?width=640&crop=smart&auto=webp&s=b5d10f0f25416d3b8e6b3ba1d310fe7959eaf482)
OMEGA Aqua Terra 231.10.39.61.06.001
Omega Aqua Terra watch in great working condition, with original warranty booklet and Jomashop order receipt.
- Condition: Great working condition, minimal signs of wear
- Warranty Start Date: 04/19/2025
- Included Accessories: watch pouch, original Omega warranty booklet, water pressure test results, Jomashop order receipt

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
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

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

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )
This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.
- Condition: Excellent
- Case material: Stainless Steel
- Water resistance: 150m

Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty
The Omega Seamaster Aqua Terra 38 Shades Collection Watch features a 38mm stainless steel case with a terracotta dial and polished bezel on a stainless steel bracelet.
- Condition: 96% Near Mint Condition
- Case size: 38mm diameter
- Water resistance: 150 meters/500 feet