Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet
Reference 231.20.42.21.06.001
About this watch
The Omega Seamaster Aqua Terra 231.20.42.21.06.001 is a masterpiece of luxury watchmaking, seamlessly blending elegance and sportiness in its sophisticated design. The combination of stainless steel and red gold gives it a luxurious feel without being overly flashy. The grey dial with subtle texture creates a pleasing visual effect that catches the light beautifully. With stick and dot indexes, reading the time is both straightforward and chic. The arrow hands add to the watch's sporty demeanor, making it suitable for both formal and casual occasions. The 41.50mm case is perfectly sized for most wrists, while the open case back allows you to admire the intricate Omega caliber 8500 movement inside. This automatic movement is known for its reliability and precision, with a frequency of 25,200 vibrations per hour and 39 jewels. The 60-hour power reserve means you won't have to worry about winding it every day. With a water resistance of 150 meters, the Aqua Terra is perfect for those who enjoy aquatic adventures. Whether you're swimming at the beach or simply caught in the rain, you can trust this watch to hold up. It's like having a reliable companion that keeps ticking even when you take a break from wearing it.
Key Features
- Omega caliber 8500 automatic movement
- Stainless Steel and Red Gold case
- 150m Water Resistance
- 41.50mm Diameter
- Sapphire Glass
- 60-hour Power Reserve
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet
- Reference
- 231.20.42.21.06.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 41.5mm
- 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