Omega Aqua Terra Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond

Reference 231.55.39.21.55.001

Omega Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of luxury watchmaking, boasting a stunning red gold case paired with an elegant mother-of-pearl dial. The gem-set indexes add a touch of luxury, while the arrow-shaped hands sweep across the dial with fluidity. Under the hood, the caliber 8501 automatic movement features a gold rotor and a 60-hour power reserve, ensuring reliability alongside style. With a water resistance of 150 meters, this watch is perfect for adventure lovers who value functionality without sacrificing elegance.

Buy Now on Jomashop

This is an affiliate link

MSRP: $44,400

Market Price: $15,365

Key Features

Omega Caliber 8501 Automatic Movement
Red Gold Case with Mother-of-Pearl Dial
Gem-Set Indexes and Bezel
Sapphire Glass and 150m Water Resistance
38.5mm Diameter and Adjustable Bracelet
60-Hour Power Reserve and Date Function

Specifications

Brand

Omega

Family

Aqua Terra

Model

Seamaster Aqua Terra 150M Master Co-Axial 38.5 Red Gold / MOP / Diamond

Reference

231.55.39.21.55.001

Movement

8501

Movement Features

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

Case

Red Gold 38.5mm

Dial Color

White

Crystal

Sapphire

Water Resistance

150

Current Listings

Omega Aqua Terra 2504.50 // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,725

The Omega Aqua Terra is a modern classic with a black dial and co-axial movement, suitable for various activities.

Condition: Great, light hairlines throughout but no major blemishes to note
Case material: stainless steel
Case diameter: 36.2mm
Lug-to-lug: 44mm

Posted at

Jan 17, 2026, 8:12 PM

Active

View listing on r/WatchExchange

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega - 231.10.39.21.06.001 · $2,799

This listing is for an Omega Seamaster Aqua Terra 150m with Calibre 8500 Co-Axial movement, featuring a 38.5mm case size and a 7.25-inch long bracelet.

Depth rating: 150m
Bracelet length: 7.25 inches

Posted at

Jan 17, 2026, 5:59 PM

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange

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

Active

View listing on r/WatchExchange