Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

Reference 231.18.39.21.55.001

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

About this watch

The Omega Seamaster Aqua Terra 231.18.39.21.55.001 is a masterpiece of luxury watchmaking, featuring a stunning Mother of Pearl dial and exceptional movement with a 60-hour power reserve. Its durable stainless steel construction and water resistance up to 150 meters make it perfect for everyday wear. This versatile timepiece combines elegance and functionality, making it a solid contender in the world of luxury watches.

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MSRP: $16,000

Market Price: $5,140

Key Features

Omega caliber 8500 automatic movement
60-hour power reserve
Water resistance up to 150 meters
Mother of Pearl dial with gem-set indexes
Durable stainless steel construction
Date function and hours, minutes, seconds display

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Stainless Steel / Diamond / MOP

Reference

231.18.39.21.55.001

Movement

8500

Movement Features

Hours, Minutes, Seconds
Date
Chronometer, Co-Axial Escapement

Case

Stainless Steel 38.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega - 231.10.39.60.06.001 · $2,250

Omega Seamaster Aqua Terra 150m, a 38.5mm quartz watch with a 7.25 inch bracelet.

Water resistance: 150m
Movement type: Quartz

Posted at

Jan 17, 2026, 5:54 PM

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Omega Seamaster Aqua Terra Reference 2503.80.00 Box & Papers

Omega - 2503.80.00 · $3,800

A 2006 Omega Seamaster Aqua Terra in good preowned condition, functions as it should and keeps excellent time at around +1 sec/day.

Condition: 8/10 - good preowned condition with signs of normal use
Case diameter: 39.2mm
Movement: Omega 2500 (Chronometer)
Water resistance: 150m

Posted at

Jan 17, 2026, 5:14 PM

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Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,395 Shipped

Omega - 2504.30 · $2,395

The Omega Seamaster Aqua Terra features a beautiful sunburst, silver dial and compact 36mm case diameter. It's a perfect all-rounder with lovely proportions.

Condition: very good condition with minimal wear
Case Diameter: 36mm
Movement: Omega Co-axial 2500

Posted at

Jan 17, 2026, 4:40 PM

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2025 OMEGA Seamster Aqua Terra 41mm 150M – Green Teak Wood Dial - Full Set

OMEGA - 220.10.41.21.10.001 · $4,999

A 2025 OMEGA Seamaster Aqua Terra 41mm watch features a green teak wood dial and is fully set, including an international warranty.

Condition: Excellent with minor wear
Case Size: 41mm diameter
Lug To Lug: 47.9mm
Thickness: 13.2mm

Posted at

Jan 17, 2026, 3:41 PM

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Omega Seamaster Aqua Terra 150M 38.5mm Blue “Teak” Dial - James Bond Spectre| Ref.231.10.39.21.03.002 | Full Set | Mint Condition

Omega - 231.10.39.21.03.002 · $4,390

The Omega Seamaster Aqua Terra 150M reference 231.10.39.21.03.002 is a sporty and refined watch that sits ideally between versatility and wrist presence, measuring 38.5 mm in size.

Condition: Mint Condition
Case size: 38.5mm
Depth rating: 150m
Movement: Omega Co-Axial calibre 8500 with 60-hour power reserve

Posted at

Jan 17, 2026, 12:36 PM

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2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

Omega - 220.10.41.21.02.001

2022 Omega Seamaster Aqua Terra Golf 42mm, a high-end watch designed for golfers.

Size: 42mm

Posted at

Jan 17, 2026, 11:59 AM

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OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,250🔥

OMEGA - 220.10.43.22.03.002 · $10,250

The OMEGA Seamaster Aqua Terra Worldtimer Ref. 220.10.43.22.03.002 is a sophisticated travel companion that puts the world on your wrist, featuring a 43mm stainless steel case and a dial capturing the essence of a perfect day at sea with laser-ablated texture and depth.

Condition: VERY GOOD - some light scratches on case and bracelet
Case size: 43mm diameter
Bracelet length: ~7 inch
Contents: ULTIMATE SET - includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt

Posted at

Jan 16, 2026, 7:18 PM

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OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,500🔥

OMEGA - 220.10.38.20.13.003 · $6,500

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and a polished and brushed bracelet with rounded links.

Condition: UNWORN
Case size: 38mm
Material: stainless steel
Bracelet type: polished and brushed

Posted at

Jan 16, 2026, 6:38 PM

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