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

Reference 231.18.30.20.55.001

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

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.
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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] 30mm Omega Aqua Terra Steel Mother Pearl Diamond Dial 23110306155001 Box+ papers

30mm Omega Aqua Terra Steel Mother Pearl Diamond Dial 23110306155001 Box+ papers

Omega - 23110306155001 · $2,490
The Omega Aqua Terra is a ladies watch that features an effortless elegance with a contemporary design. It has a sleek stainless steel case, factory original Mother of Pearl diamond set dial, and a mesmerizing visual effect.

  • Case diameter: 30mm
  • Bracelet size fits wrist up to: 6.6 inches
Posted at
May 8, 2026, 2:16 PM
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[WTS] Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001

Omega Seamaster Aqua Terra 41.5mm - 231.10.42.21.02.001

Omega - 231.10.42.21.02.001 · $2,895
Aqua Terra White Dial, 41.5mm in size, with a small mark on the dial near the 2 o'clock marker and good timegrapher results.

  • Condition: very clean pre-owned condition with light wear throughout
  • Diameter: 41.5mm
Posted at
May 8, 2026, 1:13 PM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $2,890

Omega - 231.10.39.21.01.001 · $2,890
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001, featuring an automatic Omega Calibre 8500 movement and measuring at 38.5mm in diameter.

  • Condition: Very good condition, minimal marks/hairlines on case, caseback, and bracelet.
  • Movement: Omega Calibre 8500
  • Bracelet material: Steel
  • Case material: Steel
Posted at
May 7, 2026, 9:57 PM
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[WTS] Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega - 220.10.41.21.10.001 · $4,250
This Omega Aqua Terra features a 41mm Green Teak dial and is available for sale with its original papers and warranty.

  • Condition: almost no wear, full set
  • Diameter: 41mm
  • Wrist size compatibility: 7.5inch wrists
Posted at
May 7, 2026, 4:14 PM
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[WTS] Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8900 41mm Green Dial 220.10.41.21.10.001 ( new / 2026 / box and papers )

Omega - 220.10.41.21.10.001 · $5,995
A brand new Omega Aqua Terra 8900 Green Dial watch, featuring a 41mm stainless steel case and master co-axial movement.

  • Condition: Brand new
  • Case size: 41mm diameter
  • Movement type: Master Co-Axial Movement
Posted at
May 7, 2026, 1:06 PM
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[WTS] Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega Aqua Terra 8800 38mm Green Diver 220.12.38.20.10.001 ( new / 2026 / box and papers )

Omega - 220.12.38.21.10.001 · $5,750
This Omega Aqua Terra is a brand new timepiece with a green dial, featuring a stainless steel case and master co-axial movement.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Co-Axial
  • Material: Stainless Steel
Posted at
May 7, 2026, 1:02 PM
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[WTS] Omega Aqua Terra 231.10.39.21.01.002 BNIB

Omega Aqua Terra 231.10.39.21.01.002 BNIB

Omega - 231.10.39.21.01.002 · $5,749
Omega Aqua Terra with a black vertical teak dial, featuring a 38.5mm stainless steel case and Master co-axial 8500 movement.

  • Condition: Brand New In Box (BNIB)
  • Case Size: 38.5mm
  • Movement: Co-Axial Calibre 8500
  • Warranty: 5 years
Posted at
May 7, 2026, 12:20 PM
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[WTS] Omega Seamaster 2503.80.00 “First Gen Aqua Terra” 39.2mm — Blue Sunburst Dial — Cal. 2500 Co-Axial (Fresh Service) — $2,750 Shipped (Tariff Covered)

Omega Seamaster 2503.80.00 “First Gen Aqua Terra” 39.2mm — Blue Sunburst Dial — Cal. 2500 Co-Axial (Fresh Service) — $2,750 Shipped (Tariff Covered)

Omega - 2503.80.00 · $2,750
A First Gen Aqua Terra Omega Seamaster with a blue sunburst dial and Cal. 2500 co-axial movement, recently serviced.

  • Case Size: 39.2mm
  • Movement: Calibre 2500 co-axial
  • Service Status: Fresh Service
Posted at
May 7, 2026, 10:36 AM
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[WTS] Omega Seamaster Aqua Terra 150M (220.10.41.21.01.002)

Omega Seamaster Aqua Terra 150M (220.10.41.21.01.002)

Omega - 220.10.41.21.01.002 · $4,975
This Omega Seamaster Aqua Terra 150M features a black lacquered dial on a steel bracelet and comes with boxes, warranty card dated April 2025.

  • Condition: Excellent
  • Case size: 41mm diameter
  • Case material: Stainless Steel
  • Bracelet material: Stainless Steel
Posted at
May 7, 2026, 6:31 AM
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