Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Yellow Gold / Diamond / Black / Bracelet

Reference 231.55.39.21.51.002

About this watch

The Omega Aqua Terra 231.55.39.21.51.002 is a stunning luxury watch that combines elegance with performance, featuring a yellow gold case, black dial, and gem-set indexes. Its automatic movement, powered by the Omega caliber 8501, boasts incredible precision and durability, thanks to its Co-Axial escapement. With a water resistance rating of 150 meters, this watch is perfect for everyday wear, whether formal or casual. The adjustable yellow gold bracelet ensures a comfortable fit on any wrist size, while the watch's unique blend of style and functionality makes it an ideal choice for collectors, professionals, and those seeking a high-quality timepiece.
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Key Features

  • Omega caliber 8501 automatic movement
  • Co-Axial escapement for durability and accuracy
  • 150-meter water resistance rating
  • Yellow gold case with gem-set indexes
  • Adjustable bracelet for a comfortable fit
  • Chronometer certified for precise timekeeping
  • Stunning design with luxurious materials

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Yellow Gold / Diamond / Black / Bracelet
Reference
231.55.39.21.51.002
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Yellow Gold 38.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra “ SkyFall ” Blue Teak Dial - 231.10.42.21.03.003 - Box and Papers

Omega Aqua Terra “ SkyFall ” Blue Teak Dial - 231.10.42.21.03.003 - Box and Papers

This Omega Seamaster Aqua Terra is a Blue Teak Dial watch with a size of 41.5mm, featuring a great pre-owned condition.

  • Condition: pre-owned with minor wear
  • Size: 41.5mm diameter
  • Box And Papers: yes
  • Warranty: no
Posted at
Feb 1, 2026, 4:48 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$10,100🔥

OMEGA - 220.10.43.22.03.002 · $10,100
The OMEGA Seamaster Aqua Terra Worldtimer features a 43mm stainless steel case with a 'Summer Blue' dial showcasing the Earth laser-ablated on a grade 5 titanium plate.

  • Condition: VERY GOOD, some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: ~7"
  • Contents: ultimate set includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt
Posted at
Feb 1, 2026, 1:50 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,300🔥

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a stunning Terracotta dial, symmetrical case design, and rhodium-plated hands with white Super-LumiNova for readability.

  • Condition: UNWORN
  • Case size: 38mm
  • Bracelet size: ~7"
  • Contents: box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Feb 1, 2026, 1:47 PM
Active
[WTS] Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

A 2023 Omega Seamaster Aqua Terra Grey, featuring a 41mm case size and available for sale in excellent condition.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2023
  • Size: 41mm
  • Water Resistance: 30m water resistance
Posted at
Feb 1, 2026, 12:59 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

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

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement and comes with a 38.5mm case.

  • Movement: Calibre 8500 Co-Axial
  • Bracelet length: 7.25 inches
Posted at
Feb 1, 2026, 12:17 PM
Active
Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Omega Aqua Terra 8800 - 38mm - Lacquer Black - 220.10.38.20.01.004 ( new )

Up for sale is a brand new Omega Aqua Terra 8800 38mm with Lacquer Black Dial, reference # 220.10.38.20.01.004.

  • Condition: Brand new
  • Case size: 38mm
  • Movement type: Master Chronometer Movement
Posted at
Apr 3, 2025, 3:15 PM
Active
Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

The Omega Seamaster Aqua Terra Green is a versatile watch suitable for daily wear, featuring a Master Chronometer certified calibre 8900 with 60 hours of power reserve and antimagnetic properties. It has an excellent bracelet and proportions.

  • Condition: Near-mint, 94-95%
  • Case size: 41mm x 47.9mm lug to lug
  • Thickness: 13.2mm
  • Power reserve: 60 hours
Posted at
Mar 31, 2025, 10:30 AM
Active
Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

Omega Seamaster Aqua Terra Co-Axial White Blue Stainless Steel MINT 2503.33.00

The Omega Seamaster Aqua Terra Co-Axial is a sport-ready watch with dress-worthy charm, featuring a white dial with blue accents and a stainless steel case with brushed and polished finishes.

  • Condition: Mint
  • Movement: Co-Axial
  • Case size: Not specified
  • Water resistance: Not specified
Posted at
Mar 25, 2025, 5:11 PM
Active
Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

Omega Aqua Terra - Small Seconds - Slate - 220.12.41.21.03.005 ( excellent )

This Omega Aqua Terra 150M Small Seconds features a Slate Blue dial and is housed in a 41mm stainless steel case.

  • Condition: Excellent
  • Case material: Stainless Steel
  • Water resistance: 150m
Posted at
Mar 25, 2025, 3:13 PM
Active