Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Diamond / MOP

Reference 231.18.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a masterpiece of luxury watchmaking, featuring a stunning mother of pearl dial and diamond accents that exude elegance and sophistication. Powered by the reliable Omega caliber 8520, this self-winding automatic movement boasts a power reserve of up to 50 hours, ensuring accuracy and precision. The watch's versatility makes it perfect for both formal events and casual wear, while its water resistance of up to 150 meters makes it an ideal companion for adventure seekers and urban dwellers alike. With its sapphire crystal and stainless steel case, this timepiece is built to last, combining exceptional craftsmanship, cutting-edge technology, and timeless design.
Buy Now on Jomashop
This is an affiliate link

Key Features

  • Stainless Steel Case
  • Sapphire Crystal
  • Mother of Pearl Dial
  • Gem-Set Indexes
  • Omega Caliber 8520 Movement
  • Co-Axial Escapement
  • 150m Water Resistance

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Diamond / MOP
Reference
231.18.30.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 2517.50 39mm $1700 Shipped

Omega Seamaster Aqua Terra 2517.50 39mm $1700 Shipped

Omega - 2517.50 · $1,700
The Omega Seamaster Aqua Terra is a great everyday option with a classic black dial look, offering quartz accuracy and maintenance.

  • Condition: Used with honest wear and light scratching throughout consistent with use
  • Movement: quartz
  • Bracelet size fits wrist: 7.25in
Posted at
Apr 21, 2026, 6:47 PM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm  - $2,990

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,990

Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001 with an automatic Omega Calibre 8500 movement.

  • Condition: Very good condition for its age
  • Size: 38.5mm diameter
  • Movement: Omega Calibre 8500
  • Case Material: steel
Posted at
Apr 21, 2026, 4:56 AM
Active
[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

This Omega Aqua Terra is a high-quality watch with a 39mm steel case, Calibre OMEGA 8500 movement, and features a steel bracelet and original presentation box.

  • Condition: great condition, minimal marks on case and crystal
  • Case Size: 39mm diameter
  • Bracelet Material: steel
  • Movement Calibre: Omega 8500
Posted at
Apr 21, 2026, 4:12 AM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active
Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.

  • Condition: Excellent
  • Case material: Stainless Steel
  • Water resistance: 150m
Posted at
Mar 25, 2025, 3:13 PM
Active
Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

Omega Aqua Terra 38 Shades Red Terracotta Box Papers Warranty

The Omega Seamaster Aqua Terra 38 Shades Collection Watch features a 38mm stainless steel case with a terracotta dial and polished bezel on a stainless steel bracelet.

  • Condition: 96% Near Mint Condition
  • Case size: 38mm diameter
  • Water resistance: 150 meters/500 feet
Posted at
Mar 25, 2025, 1:55 AM
Active
Omega Aqua Terra 8900 - 41mm - Lacquer Black - 220.10.41.21.01.002 ( new )

Omega Aqua Terra 8900 - 41mm - Lacquer Black - 220.10.41.21.01.002 ( new )

This Omega Aqua Terra 8900 is a 41mm stainless steel watch with a Lacquer Black dial, featuring a Master Chronometer movement and comes complete with all original accessories.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement: Master Chronometer
Posted at
Mar 20, 2025, 3:34 PM
Active