Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.30.20.55.001

About this watch

The Omega Seamaster Aqua Terra 150M Co-Axial 30 is a luxury watch that combines exquisite craftsmanship with robust functionality, featuring a harmonious blend of stainless steel and red gold, an elegant Mother of Pearl (MOP) dial, and impressive specifications. With its stunning design, reliable movement, and impressive water resistance, it's a versatile choice for both land and sea. The MOP dial is a standout feature, showcasing a beautiful play of colors that changes with light, while the gem-set indexes add a touch of glamour. The watch boasts a certified chronometer movement, ensuring accurate timekeeping, and features an automatic movement with a power reserve of 50 hours. Its comfort is also noteworthy, feeling lightweight yet sturdy on the wrist, making it perfect for everyday wear.
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Key Features

  • Omega Caliber 8520 automatic movement
  • Certified chronometer by COSC
  • Water resistance up to 150 meters
  • Mother of Pearl (MOP) dial with gem-set indexes
  • Arrow-shaped hands for easy readability
  • Open case back for viewing the movement
  • Harmonious blend of stainless steel and red gold materials

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 30 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.30.20.55.001
Movement
8520
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
30mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

  • Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
  • Case size: 43mm
  • Water resistance: 100m
  • Power reserve: +335 hours
Posted at
Oct 24, 2025, 1:49 AM
Active
[WTS] Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Omega Seamaster Aqua Terra 38.5mm Black Teak Dial - Full Set, Excellent Condition

Selling my Omega Aqua Terra with a black teak-patterned dial, in excellent condition. It comes with the original box, papers, bracelet links, and receipt of purchase.

  • Condition: Excellent condition with light surface wear and keeping excellent time
  • Case Size: 38.5mm diameter
  • Movement: Omega Co-Axial Caliber 8500
  • Water Resistance: 150m depth rating
Posted at
Oct 23, 2025, 11:34 PM
Active
[WTs] 2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

2024 Omega Aqua Terra 43 mm GMT from Japan NO DUTIES in the US now 7000 USD OBO + label. Will FT. Accepting Zelle/Wire/PayPal. PayPal automatically charges tax.

Omega - 43mm GMT · $7,000
A 2024 Omega Aqua Terra 43mm GMT watch from Japan, available for sale in the US without duties.

  • Shipping Method: FEDEX overnight fully insured
  • Shipping Location: local FEDEX store of your choice
Posted at
Oct 23, 2025, 10:00 PM
Active
[WTS] Omega Aqua Terra Automatic 2504.30 36mm SIlver Dial $2250

Omega Aqua Terra Automatic 2504.30 36mm SIlver Dial $2250

Omega - 2504.30 · $2,250
This Omega Aqua Terra Automatic is a good timegrapher with freshly polished case, available in 36mm size.

  • Condition: Excellent condition
  • Case Size: 36mm
  • Diameter: 36mm
Posted at
Oct 23, 2025, 9:43 PM
Active
[WTS] 2518.80 Omega Aqua Terra 36mm Blue Dial Quartz $1,625

2518.80 Omega Aqua Terra 36mm Blue Dial Quartz $1,625

Omega - 2518.80 · $1,625
A Omega Seamaster Aqua Terra 36mm watch with a blue dial, available for sale.

  • Condition: Mint
  • Case size: 36mm diameter
  • Water resistance: None mentioned
  • Movement type: Quartz
Posted at
Oct 23, 2025, 9:25 PM
Active
[WTS] Omega Aqua Terra White 38mm

Omega Aqua Terra White 38mm

This Omega Aqua Terra is a 2021 model with papers and still under factory warranty.

  • Year: 2021
  • Warranty: Still under factory warranty
  • Papers: true
Posted at
Oct 22, 2025, 9:56 PM
Active
[wts] Omega Aqua Terra Small Seconds 150mm

Omega Aqua Terra Small Seconds 150mm

The Omega Aqua Terra Small Seconds is a high-end watch with a 41mm case, 150m water resistance, and a COSC/METAS movement. It features a small seconds complication and comes with full box and papers.

  • Condition: Excellent
  • Water Resistance: 150m
  • Power Reserve: 60 hours
  • Movement: 8916 COSC/METAS
Posted at
Oct 22, 2025, 8:49 PM
Active
[WTS] Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

Omega Seamaster Aqua Terra Co-Axial 42mm 231.10.42.21.06.001 Gray

This Omega Seamaster Aqua Terra Co-Axial is a 42mm watch with a gray color scheme.

  • Condition: Fresh service, used
  • Bracelet length: 7.25 inches
Posted at
Oct 22, 2025, 8:14 PM
Active
[WTS] Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

Omega Aqua Terra 41mm 220.10.41.21.03.004 - Blue Teak Dial - Price Reduced ‼️

This Omega Aqua Terra features a stunning blue teak dial and is in overall very clean condition with some light marks on the crystal.

  • Condition: pretty good, light wear on bracelet, lugs, and clasp
  • Wrist size compatible: up to 7.25 inches
  • Payment methods accepted: bank wire, zelle, paypal (F&F)
Posted at
Oct 22, 2025, 4:31 PM
Active