Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP
Reference 231.23.30.20.55.001
About this watch
The Omega Seamaster Aqua Terra 150M Co-Axial 30 (model 231.23.30.20.55.001) is a testament to Omega's reputation for luxury and performance, merging functionality with elegance. The watch features a stunning mother-of-pearl dial, reliable automatic movement, and impressive water resistance of 150 meters. The combination of stainless steel and red gold creates a striking contrast, while the mother-of-pearl dial adds an element of luxury and sophistication. With its Co-Axial escapement and chronometer certification, this watch is built to perform beautifully for years to come. Whether you're diving, swimming, or simply caught in a rain shower, this watch is more than capable of handling various environments. The robust sapphire crystal adds an extra layer of protection against scratches, ensuring that your watch maintains its beauty over time. With a diameter of just 30 mm, the Omega Seamaster Aqua Terra is designed to fit comfortably on various wrist sizes, making it versatile enough to suit any occasion.
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Key Features
- Omega caliber 8520 automatic movement
- 150 meters water resistance
- Mother-of-pearl dial with gem-set indexes and arrow-shaped hands
- Stainless steel and red gold construction
- Chronometer certification
- Co-Axial escapement for reduced friction and increased longevity
- Robust sapphire crystal for scratch protection
Specifications
- Brand
- Omega
- Family
- Aqua Terra
- Model
- Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP
- Reference
- 231.23.30.20.55.001
- Movement
- 8520
- Movement Features
-
- Hours, Minutes, Seconds
- Date
- Chronometer, Co-Axial Escapement
- Case
- 30mm
- Dial Color
- White
- Crystal
- Sapphire
- Water Resistance
- 150
Current Listings

Omega Aqua Terra Silver Dial 220.10.38.20.02.001 B/P
The Omega Aqua Terra reference 220.10.38.20.02.001 is a 38mm variant with silver/white dial on bracelet, great size and versatile piece.
- Condition: Very good condition, minor surface wear on high polish areas (bracelet center links and bezel)
- Second Owner: true
- Size: 38mm
- Dial: silver/white

Omega Aqua Terra 8800 - 38mm - Blue Dial - 220.10.38.20.03.001 ( new / 2025 )
This Omega Aqua Terra 8800 is a brand new stainless steel watch with a 38mm case and blue dial, complete with all original boxes, papers, and warranty card.
- Condition: Brand new
- Case size: 38mm diameter
- Movement: Master Chronometer

2024 Omega Aqua Terra Ref. 220.12.41.21.03.001 with Box & Papers LNOS
The Omega Seamaster Aqua Terra 150M features a blue dial with a horizontal pattern, inspired by wooden boat decks, and is powered by Omega's Master Chronometer Calibre 8900. It has a 41mm stainless steel case, a comfortable blue rubber strap, and is water-resistant up to 150 meters.
- Condition: Like New
- Case Width: 41mm
- Movement: Automatic
- Depth Rating: 150m

Omega Aqua Terra 8900 - 41mm - Grey / Blue - 220.12.41.21.06.001 (new / 2025)
Aqua Terra 8900 41mm Gray Dial on Blue Rubber Strap, complete with all boxes and papers.
- Condition: Brand new
- Case material: Stainless Steel
- Movement caliber: Master Chronometer Movement
- Shipping cost international: $150

Omega Aqua Terra 8800 - Summer Blue - 38mm - 220.10.38.20.03.004 ( new )
The Omega Aqua Terra 8800 is a Master Chronometer movement watch with a stainless steel case and summer blue dial, available on a bracelet.
- Condition: Brand new
- Case size: 38mm
- Movement type: Master Chronometer

2015 Omega Aqua Terra Ref. 231.13.39.21.03.001 with Box & Papers
This iconic previous generation Seamaster Aqua Terra honors maritime heritage with a dial inspired by luxury sailboat decks, featuring a sun-brushed, lacquered blue Vertical Teak dial and a 38.5mm stainless steel case.
- Condition: Excellent (little to no signs of wear)
- Movement: Automatic
- Case width: 38.5mm
- Strap length: 7.50"