Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP
Reference 231.23.39.21.55.002
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 38.5 is a masterclass in luxury watchmaking, combining stunning design with advanced movement technology. This Swiss-made timepiece boasts a harmonious blend of stainless steel and yellow gold, topped off with a lustrous Mother of Pearl (MOP) dial that adds an ethereal quality to the watch. The Aqua Terra's round shape measures 38.50 mm in diameter, making it suitable for a wide range of wrist sizes. With a water resistance of 150 meters, this watch is ready for a dip in the pool or a day at the beach. Its chronometer certification ensures accuracy and precision, while the open case back showcases the intricate mechanics working away like a tiny universe contained within your wrist.
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Key Features
- Omega Caliber 8500 automatic movement
- Mother of Pearl (MOP) dial with stick and dot indexes
- Chronometer certification for accuracy and precision
- Water resistance up to 150 meters
- Stainless steel and yellow gold case
- Open case back showcases intricate mechanics
- Comfortable strap design for everyday wear
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Yellow Gold / MOP
- Reference
- 231.23.39.21.55.002
- Movement
- 8500
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 38.5mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

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
![[WTS] 2020 Omega Seamaster Aqua Terra 41mm 220.22.41.21.02.001 Silver Dial - $5,950](https://external-preview.redd.it/EzZ-cA5Chye-23VLasY_ccLuK311L7wX4XJHPB2bTek.jpeg?auto=webp&s=c2b9a0e35ea665026f973442ea1580827221d510)
2020 Omega Seamaster Aqua Terra 41mm 220.22.41.21.02.001 Silver Dial - $5,950
The Omega Seamaster Aqua Terra is a stainless steel watch with a Sedna gold bezel and silver dial, featuring a 150m water resistance rating and Master Chronometer certification.
- Condition: Excellent
- Material: Stainless Steel and Rose Gold
- Wrist size: 8.5inch
- Water resistance: 150m