Omega Aqua Terra Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet

Reference 231.53.39.21.06.003

About this watch

The Omega Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet is a masterpiece of luxury watchmaking, blending sportiness and elegance with its stunning red gold case and sleek grey dial. Protected by a sapphire crystal, the dial boasts stick and dot indexes for a contemporary yet timeless look, while the arrow hands ensure effortless time-telling. At the heart lies the Omega Caliber 8501, an automatic movement featuring a Co-Axial escapement for greater accuracy and longevity. With a power reserve of 60 hours, this marvel of engineering is perfect for everyday wear. Whether you're hiking or attending a formal dinner, this watch is up to the task with its impressive 150-meter water resistance. The adjustable red gold bracelet complements the case while ensuring comfort on your wrist, making it versatile enough to wear daily or save for special occasions. This true masterpiece offers exceptional value, combining elegance and sporty functionality in a way that sets it apart from other luxury watches.
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Key Features

  • 38.5mm Red Gold Case
  • Grey Dial with Stick and Dot Indexes
  • Omega Caliber 8501 Automatic Movement
  • Co-Axial Escapement for Greater Accuracy and Longevity
  • Sapphire Crystal for Scratch Resistance
  • 150m Water Resistance
  • Adjustable Red Gold Bracelet

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150m Master Co-Axial 38.5 Red Gold / Grey / Bracelet
Reference
231.53.39.21.06.003
Movement
8501
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Red Gold 38.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2025 Omega Aqua Terra 150M 41mm Turquoise Gradient, Ceramic Bezel (220.32.41.21.03.001)

2025 Omega Aqua Terra 150M 41mm Turquoise Gradient, Ceramic Bezel (220.32.41.21.03.001)

The Omega Aqua Terra is a tribute to the brand's maritime heritage, featuring a symmetrical stainless-steel case with a brushed ceramic bezel and a wave-edged screw-in caseback. The watch boasts a lacquered turquoise dial with a black gradient effect and facetted hands.

  • Condition: Excellent plus condition
  • Case material: stainless steel
  • Bezel material: ceramic
  • Diameter: 41mm
Posted at
Jan 3, 2026, 2:06 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 is water resistant up to 150m.

  • Calibre: Calibre 8500 Co-Axial
  • Bracelet length: 7.25 inches
  • Case size: 38.5mm
Posted at
Jan 3, 2026, 12:25 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.01.001

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, a 38.5mm case, and a 7.25 inch bracelet.

  • Case size: 38.5mm diameter
  • Water resistance: 150m
Posted at
Jan 3, 2026, 11:36 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET!

OMEGA - 220.10.43.22.03.002 · $10,250
The OMEGA Seamaster Aqua Terra Worldtimer is a sophisticated travel companion that features a 43mm stainless steel case, dial with laser-ablated texture, 24-hour glass ring, and powered by the Master Chronometer Calibre 8938.

  • Condition: [VERY GOOD] Some light scratches on case and bracelet.
  • Case size: 43mm diameter
  • Bracelet size: ~7"
Posted at
Jan 3, 2026, 4:25 AM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET!

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design and rhodium-plated hands.

  • Condition: UNWORN
  • Case size: 38mm
  • Bracelet length: ~7 inches pre-sized
Posted at
Jan 3, 2026, 3:31 AM
Active
[WTS] Omega Seamaster Aqua Terra Black Lacquer 41mm | Day 9/12 | 12 Days of Christmas🎄

Omega Seamaster Aqua Terra Black Lacquer 41mm | Day 9/12 | 12 Days of Christmas🎄

Omega - 22010412101002 · $4,900
The Omega Aqua Terra 41 is a versatile watch that embodies quiet strength and everyday balance, designed for real life with a high-gloss black dial and exceptional wearability.

  • Movement: Omega Co-Axial Master Chronometer calibre 8900 automatic
  • Case size: 41mm
  • Material: stainless steel
Posted at
Jan 2, 2026, 10:09 PM
Active
[WTS] Omega Aqua Terra 41mm - Ref. 220.13.41.21.03.003

Omega Aqua Terra 41mm - Ref. 220.13.41.21.03.003

This Omega Aqua Terra was inherited from a serious watch collector and is being sold to add a white-dial diver to the owner's collection.

  • Condition: Excellent
  • Serial number verified by omega boutique: true
  • Omega service eligibility: true
Posted at
Jan 2, 2026, 9:31 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | 41.5mm | White | 231.10.42.21.02.006

Omega Seamaster Aqua Terra 150m | 41.5mm | White | 231.10.42.21.02.006

The Omega Seamaster Aqua Terra is a 41.5mm watch with 150m water resistance, featuring a white dial and 7" bracelet.

  • Water resistance: 150m
  • Bracelet length: 7 inches
Posted at
Jan 2, 2026, 8:48 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

Omega Seamaster Aqua Terra 150m | Quartz | 231.10.39.60.06.001

This Omega Seamaster Aqua Terra is a Quartz-powered timepiece featuring a 38.5mm case.

  • Case Size: 38.5mm
  • Bracelet Length: 7.25"
  • Water Resistance: 150m
Posted at
Jan 2, 2026, 8:47 PM
Active