Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey
Reference 231.23.39.21.06.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a luxurious timepiece that embodies precision, craftsmanship, and style. This stunning watch boasts an exquisite combination of stainless steel and red gold construction, giving it a luxurious yet durable appeal. The 38.5mm round shape strikes a perfect balance between boldness and subtlety, making it suitable for both men and women. The grey dial is sophisticated and versatile, pairing beautifully with various outfits. The open case back allows you to admire the intricate Omega caliber 8500 movement, which features two barrels providing a robust 60-hour power reserve. This chronometer has undergone rigorous testing to ensure its accuracy, meeting the standards set by the Swiss Official Chronometer Testing Institute (COSC). With a water resistance of 150 meters and an easy-to-read date function, this watch is perfect for daily wear. Its classic design ensures it won't go out of style, making it a timeless addition to any collection. For watch collectors, the Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a must-have, combining innovative movement, luxury materials, and stunning aesthetic. This remarkable choice offers both functionality and style, standing out among its peers.
Buy Now on Jomashop
This is an affiliate link
Key Features
- Omega Caliber 8500 Movement
- 60-Hour Power Reserve
- 150M Water Resistance
- Grey Dial with Stick and Dot Indexes
- Red Gold Accents on Stainless Steel Case
- Open Case Back for Visible Movement
- Chronometer Certified by COSC
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / Grey
- Reference
- 231.23.39.21.06.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- Grey
- 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