Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver
Reference 231.23.39.21.02.001
About this watch
The Omega Seamaster Aqua Terra 150M Master Co-Axial is a masterpiece of luxury watchmaking, combining elegance with functionality in a single timepiece. Crafted from a blend of stainless steel and red gold, this stunning watch exudes opulence without being gaudy. The silver-toned dial features stick and dot indexes paired with arrow-shaped hands, providing excellent legibility and making it an ideal companion for both casual and formal occasions. At the heart of this timepiece is the in-house Omega caliber 8500, a marvel of engineering known for its reliability and precision. With a power reserve of 60 hours, you don't have to worry about winding it every day. The Co-Axial escapement improves accuracy and reduces friction between parts, making it a true chronometer. This watch is perfect for professionals who need a timepiece that transitions seamlessly from the office to a dinner date, as well as collectors who appreciate Omega's rich history and innovation.
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Key Features
- Omega caliber 8500 movement
- Stainless Steel / Red Gold case material
- Sapphire crystal glass
- 150 meters water resistance
- 38.5 mm diameter
- Co-Axial escapement for improved accuracy
- 60 hour power reserve
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Red Gold / Silver
- Reference
- 231.23.39.21.02.001
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- Silver
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings
![[WTS] Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650](https://external-preview.redd.it/Z23CdO8aZF-HV3au4S_-y5Urc9qFx-tPMWIe49yDonE.jpeg?auto=webp&s=eb3b7243be141432cbe44aa81d710cb10aa67b37)
Omega Seamaster Aqua Terra 2503.33 | Blue Indices $2,650
This Omega Seamaster Aqua Terra features a white dial and blue indices, powered by the reliable 2500-series co-axial chronometer movement.
- Condition: Preowned - Good
- Movement: co-axial chronometer
- Diameter: 39mm
- Case material: unknown

Omega Aqua Terra 8800 - Turquoise - 38mm - 220.10.38.20.03.005 ( new / 2025 )
This Omega Aqua Terra 8800 features a 38mm stainless steel case, turquoise dial, and is equipped with the Omega 8800 calibre. It comes complete with all original boxes, papers, booklets, hang tag, and an Omega warranty card dated May 2025.
- Condition: Brand New
- Case size: 38mm
- Material: stainless steel
- Calibre: Omega 8800

Omega Aqua Terra 8800 - Green / Diver - 220.12.38.20.10.001 ( new / 2025 )
A brand new Omega Aqua Terra 8800 with a green dial, featuring a stainless steel case and master co-axial movement.
- Condition: Brand New / Complete Set
- Case size: 38mm
- Material: Stainless Steel
- Movement type: Master Co-Axial
![[WTS] Omega Seamaster Aqua Terra 41 Green Dial - Black Rubber Strap + Steel Bracelet - Full Set](https://external-preview.redd.it/6V6_KDUb3ecWke1sk5ukQnN8yojyQgKwCKhxR6CrKTk.jpg?auto=webp&s=121ac0fb2fd173fb152acbad0be3a18e71718b19)
Omega Seamaster Aqua Terra 41 Green Dial - Black Rubber Strap + Steel Bracelet - Full Set
This Omega Seamaster Aqua Terra 41 features a 41mm stainless steel case, dark green dial that changes to black in certain lighting conditions, and an automatic Co-Axial Master Chronometer cal 8900 movement. The watch is complete with a rubber strap, steel bracelet, and full set of accessories.
- Condition: Used, with minor scratches and signs of normal wear
- Movement: Automatic Co-Axial Master Chronometer cal 8900
- Bracelet Type: Black rubber strap and brushed/polished stainless steel bracelet (OEM)
- Bracelet Size: 6.5"
![[WTS] Omega Aqua Terra “Shades” - 220.10.38.20.13.003 - Box and Card](https://external-preview.redd.it/gKkcWKeK7nrNwcr-o7qWjcqcaIYXgSg6_G3vVaT4pyI.jpeg?auto=webp&s=ae57b682dc52cb82b7bc59f34871231be85b038b)
Omega Aqua Terra “Shades” - 220.10.38.20.13.003 - Box and Card
Up for grabs today is an Omega Aqua Terra 'Shades' Edition, a unique and stylish watch that features a distinctive design.
- Condition: Excellent Mint Condition
- Box And Card Included: yes, with 2023 box and warranty card

Pre-Owned Omega Seamaster Aqua Terra 220.10.41.21.03.001
This pre-owned Omega Seamaster Aqua Terra is a 41mm stainless steel watch with a blue dial and automatic movement. It has a water resistance of 150 meters and comes with various accessories.
- Condition: Pre-Owned, 79% condition with marks on the lugs, bezel, and case, 87% condition for the bracelet
- Case size: 41mm diameter
- Material: Stainless Steel
- Dial color: Blue
OMEGA AQUA TERRA-CURRENT GEN. 220.12.41.21.06.001 PRICED FOR QUICK SALE.
This is the current gen Omega Aqua Terra 41mm with a Silver Dial and Blue accents, part of a large collection that has not been worn much.
- Strap: Blue OEM Omega strap
- Buckle: Authentic Omega buckle
![[WTS] Omega Seamaster Aqua Terra, 42mm, Black dial, excellent condition $3295](https://external-preview.redd.it/EvMQcX9sYIIhixbyaa_ZWBr7wqrn0lP6C7pnvga53bE.jpeg?auto=webp&s=0d480ac3d9ff354dd3e61a5d6f18d0f9f6cce290)
Omega Seamaster Aqua Terra, 42mm, Black dial, excellent condition $3295
A stunning Omega Seamaster Aqua Terra, reference 2502.50.00, with a 42mm case size and classic black dial that exudes sophistication and elegance.
- Condition: Excellent condition
- Chronometer certification: Exceptional precision
- Included accessories: box, manuals, pictogram cards
- Serial number verification: Confirmed 2006 authenticity
![[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 features a blue dial and rubber strap, with a stainless steel case measuring 43mm in diameter.
- Condition: good working condition, missing original clasp omega logo
- Case size: 43mm diameter
- Material: stainless steel