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

Reference 231.55.39.21.55.001

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.
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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

[WTS] 2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

2022 Omega Seamaster Aqua Terra Golf 42mm 220.10.41.21.02.001 Full set

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

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

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$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
Active
[WTS] Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Clean!

Omega Aqua Terra 36mm - Blue Dial - Quartz - 2518.80 - Clean!

Omega - 2518.80 · $1,695
A beautiful Omega Seamaster Aqua Terra Blue 36mm watch in good condition, with a clean case and bracelet.

  • Condition: Good overall condition, minimal wear
  • Size: 36mm diameter
  • Wrist size compatibility: up to 6.75 inches
  • Case and bezel condition: great shape
Posted at
Jan 16, 2026, 5:56 PM
Active
[WTS] Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001

Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001

For sale is my Omega Aqua Terra 41MM Turquoise (ceramic bezel) 220.32.41.21.03.001, bought brand new in September of 2025 from a well-known West Coast USA Omega AD.

  • Condition: 99/100, Mint
  • Warranty: stamped warranty card and METAS cert
  • Case Material: c ceramic bezel
  • Band Material: black rubber with turquoise accent stitching
Posted at
Jan 16, 2026, 5:41 PM
Active
[WTS] 2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4400 Shipped!

2023 Omega Aqua Terra Shades Saffron 220.10.38.20.12.001, Complete Set $4400 Shipped!

A 2023 Omega Seamaster Aqua Terra Shades Collection in the Saffron color with a symmetrical case and crown.

  • Condition: Lightly worn, minor scuffs on clasp
  • Case Diameter: 38mm
  • Movement: Co-Axial Master Chronometer calibre 8800
Posted at
Jan 16, 2026, 10:29 AM
Active
[WTS] Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

Omega Seamaster Aqua Terra 38.5MM “Blue Teak” 231.10.39.21.03.002 | 2020 Box and Papers

2020 Omega Seamaster Aqua Terra 38.5MM 'Blue Teak' in excellent condition, with slight wear.

  • Condition: Excellent Pre-Owned Condition
  • Service history: Unknown; +12 s/d 340+ AMP
  • Length of links: 15.5 Links
Posted at
Jan 15, 2026, 7:20 PM
Active
[WTS] OMEGA SEAMASTER AQUA TERRA 150M – 38mm BLUE DIAL Ref. 220.10.38.20.03.001 | Full Set | Excellent Condition | 2022

OMEGA SEAMASTER AQUA TERRA 150M – 38mm BLUE DIAL Ref. 220.10.38.20.03.001 | Full Set | Excellent Condition | 2022

The OMEGA SEAMASTER AQUA TERRA 150M features a blue horizontal 'teak' dial, inspired by luxury yachts, with serious technical credentials.

  • Condition: Excellent overall condition
  • Case size: 38mm stainless steel
  • Dial type: blue teak-pattern dial with applied indices
  • Crystal type: sapphire (front & display caseback)
Posted at
Jan 15, 2026, 6:30 PM
Active