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

Omega Aqua Terra 8900 - 41mm - Turquoise - 220.10.41.21.03.006 ( new / 2025 )
This Omega Aqua Terra 8900 features a 41mm stainless steel case and a turquoise dial. It comes complete with all original packaging, papers, and an Omega warranty card.
- Condition: Brand new
- Case size: 41mm diameter
- Movement: Master Chronometer Movement
OMEGA Seamaster Aqua Terra Chrono White Teak Dial 231.10.44.50.04.001 BOX PAPERS
This OMEGA Seamaster Aqua Terra is a Certified Chronograph with a White �Teak� Dial, featuring a stainless case and sapphire crystal. It has an exhibition caseback and complications for chronograph and date.
- Condition: Good preowned condition
- Case size: 44 mm diameter
- Movement: 3313 Caliber Movement
- Depth rating: 150m
OMEGA Seamaster Aqua Terra Chrono White "Teak" Dial 231.10.44.50.04.001 w/BOX&PAPERS
The OMEGA Seamaster Aqua Terra Chrono features a white 'Teak' dial, stainless case, sapphire crystal, and chronograph complication.
- Condition: Good preowned condition
- Case size: 44 mm diameter
- Water resistance: 150m depth rating
- Movement: 3313 Caliber Movement

Omega Aqua Terra 8900 - 41mm - Blue Dial - 220.10.41.21.03.004 ( excellent )
This Omega Aqua Terra 8900 is a 41mm stainless steel watch with a blue dial, featuring a Master Chronometer movement and coming with all boxes, papers, booklets, and an Omega Warranty Card dated July 2024.
- Condition: Excellent
- Case Size: 41mm
- Movement Type: Master Chronometer

Omega Aqua Terra Silver Dial 220.10.38.20.02.001 B/P
The Omega Aqua Terra reference 220.10.38.20.02.001 is a 38mm variant with silver/white dial on bracelet, great size and versatile piece.
- Condition: Very good condition, minor surface wear on high polish areas (bracelet center links and bezel)
- Second Owner: true
- Size: 38mm
- Dial: silver/white

Omega Aqua Terra 8800 - 38mm - Blue Dial - 220.10.38.20.03.001 ( new / 2025 )
This Omega Aqua Terra 8800 is a brand new stainless steel watch with a 38mm case and blue dial, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 38mm diameter
- Movement: Master Chronometer

2024 Omega Aqua Terra Ref. 220.12.41.21.03.001 with Box & Papers LNOS
The Omega Seamaster Aqua Terra 150M features a blue dial with a horizontal pattern, inspired by wooden boat decks, and is powered by Omega's Master Chronometer Calibre 8900. It has a 41mm stainless steel case, a comfortable blue rubber strap, and is water-resistant up to 150 meters.
- Condition: Like New
- Case Width: 41mm
- Movement: Automatic
- Depth Rating: 150m

Omega Aqua Terra 8900 - 41mm - Grey / Blue - 220.12.41.21.06.001 (new / 2025)
Aqua Terra 8900 41mm Gray Dial on Blue Rubber Strap, complete with all boxes and papers.
- Condition: Brand new
- Case material: Stainless Steel
- Movement caliber: Master Chronometer Movement
- Shipping cost international: $150

Omega Aqua Terra 8800 - Summer Blue - 38mm - 220.10.38.20.03.004 ( new )
The Omega Aqua Terra 8800 is a Master Chronometer movement watch with a stainless steel case and summer blue dial, available on a bracelet.
- Condition: Brand new
- Case size: 38mm
- Movement type: Master Chronometer