Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet
Reference 231.55.30.20.55.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of horological innovation, blending advanced technology with luxurious design. Its self-winding Caliber 8521 movement boasts precision and reliability thanks to its Co-Axial Escapement, ensuring accuracy and longevity. The watch's red gold case is durable and visually stunning, complemented by a mother of pearl dial that shimmers with iridescent quality. Diamond-set bezel and indexes add opulence without excess, while the 30mm diameter makes it perfect for smaller wrists. A water resistance of 150 meters ensures durability in wet conditions, making it ideal for active lifestyles. The watch's Geneva waves in arabesque finish speak to Omega's commitment to aesthetic excellence, making the movement as visually appealing as it is functional. With a power reserve of up to 50 hours and an automatic winding capability, this timepiece delivers on both form and function.
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Key Features
- Self-winding Caliber 8521 movement
- Co-Axial Escapement for improved accuracy and longevity
- Red gold case with durable and visually stunning design
- Mother of pearl dial with iridescent quality
- Diamond-set bezel and indexes for added opulence
- Water resistance of 150 meters for durability in wet conditions
- Power reserve of up to 50 hours with automatic winding capability
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 30 Red Gold / Diamond / MOP / Bracelet
- Reference
- 231.55.30.20.55.001
- Movement
- 8521
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- Red Gold 30mm
- Dial Color
- White
- 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