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] Discontinued Omega Seamaster Aqua Terra 220.10.28.60.60.001 – Pink Mother of Pearl Dial with Factory Diamond Markers](https://external-preview.redd.it/x7tawhj2Joad6smDTIuS-VcC0iztfR_ndtDQSriKHUY.jpeg?auto=webp&s=2f37b2b754af62a155e4340501b62bb00c58b52a)
Discontinued Omega Seamaster Aqua Terra 220.10.28.60.60.001 – Pink Mother of Pearl Dial with Factory Diamond Markers
This discontinued Omega Seamaster Aqua Terra features a 28mm stainless steel case and a rare pink mother of pearl dial with factory-set diamond hour markers.
- Condition: Pre-owned in excellent condition
- Case size: 28mm
- Water resistance depth rating: 150m (500 ft)
- Movement type: Quartz Omega Caliber 1424
![[WTS] Omega Seamaster Aqua Terra 2503.33.00 – White Dial w/ Blue Accents – $2,700](https://preview.redd.it/auov2w02ys6f1.jpeg?auto=webp&s=42ff4800a6b5b67660598c5e0d323b4671fd467a)
Omega Seamaster Aqua Terra 2503.33.00 – White Dial w/ Blue Accents – $2,700
This Omega Seamaster Aqua Terra features a white dial with blue accents, a 39mm case size that fits wrists up to 7 inches in diameter, and is powered by the Caliber 2500 Co-Axial Automatic movement.
- Condition: Very good condition
- Diameter: 39mm
- Water Resistance: 150m / 500ft
- Movement Jewels: 27 jewels

Pre-Owned Omega Seamaster Aqua Terra 231.10.42.21.02.002
Pre-Owned Omega Seamaster Aqua Terra with a 42mm stainless steel case, silver dial, and automatic movement.
- Condition: 77% condition due to significant marks on the lugs, bezel, and throughout the case
- Movement: Automatic
- Case size: 42mm diameter
- Material: Stainless Steel

Omega Aqua Terra Worldtimer - 43mm - 220.12.43.22.03.001 ( new / 2025 )
This Omega Aqua Terra Worldtimer is a 43mm stainless steel watch with a Master Chronometer Calibre 8938 movement, featuring a rubber strap and deployment clasp.
- Condition: Brand New
- Case size: 43mm diameter
- Movement: Master Chronometer Calibre 8938
![[WTS] Spectacular Omega Seamaster Aqua Terra Worldtimer, ref. 220.12.43.22.03.001 (PRICE REDUCED!!)](https://external-preview.redd.it/ffsb5JKBzQN7fFG4JV2_d3gj7J0fZejtkYpG__Y0L9s.jpeg?auto=webp&s=1c10968f3c32d4b84c4dc5e8b68d53720889fdd8)
Spectacular Omega Seamaster Aqua Terra Worldtimer, ref. 220.12.43.22.03.001 (PRICE REDUCED!!)
This Omega Seamaster Aqua Terra Worldtimer is a 43mm stainless steel watch with a blue dial and rubber strap, featuring good working condition but missing the omega logo on its clasp.
- Condition: good working condition
- Case material: stainless steel
- Diameter: 43mm
- Strap material: rubber
![[WTS] Omega Aqua Terra, 41mm, B w White indicis and second hand, full package](https://external-preview.redd.it/7S52cbtbPQjBbvqkFiVhWkh8o4AXeb3QIzY7cRYEZPg.jpeg?auto=webp&s=6b5691b5e0975d944a9cc9fe5339b294387341e9)
Omega Aqua Terra, 41mm, B w White indicis and second hand, full package
This Omega Aqua Terra features a 41mm black teak dial with white indicis and a white second hand. It comes with a full package including the manual, inner box, watch pillow, and OEM rubberized strap in black.
- Condition: great condition, minor signs of wear
- Diameter: 41mm
- Strap material: rubberized
- Straps included: 1
![[WTS] Omega Seamaster Aqua Terra 150M 41.5mm](https://preview.redd.it/crfvau9ogl6f1.jpeg?auto=webp&s=1c0ef4a20f5b518a12dd94d67de06185a7969f63)
Omega Seamaster Aqua Terra 150M 41.5mm
Up for sale is my Omega Aqua Terra 41.5mm from ~2007. Watch comes with all links but no box nor papers.
- Condition: Great condition
- Case size: 41.5mm diameter

Pre-Owned Omega Seamaster Aqua Terra 231.10.42.22.01.001
Pre-Owned Omega Seamaster Aqua Terra, in 90% condition with slight marks on the lugs and bezel.
- Condition: 90%
- Movement: Automatic
- Case size: 42mm
- Material: Stainless Steel
![[WTS] OMEGA AQUA TERRA + RUBBER BAND](https://external-preview.redd.it/bgTsD-BPkiq5GkhUtfzXSJLDU-JNt2k7QEdc2fAno5E.jpeg?auto=webp&s=d1eed3ab2001a641dad8c1657076f953a8c30deb)
OMEGA AQUA TERRA + RUBBER BAND
Aqua Terra with a 38mm diameter case, comes with full set of links and an extra original rubber band.
- Original Price: $1k CAD
- Location: Montreal, Canada