Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet

Reference 231.20.42.21.06.001

About this watch

The Omega Seamaster Aqua Terra 231.20.42.21.06.001 is a masterpiece of luxury watchmaking, seamlessly blending elegance and sportiness in its sophisticated design. The combination of stainless steel and red gold gives it a luxurious feel without being overly flashy. The grey dial with subtle texture creates a pleasing visual effect that catches the light beautifully. With stick and dot indexes, reading the time is both straightforward and chic. The arrow hands add to the watch's sporty demeanor, making it suitable for both formal and casual occasions. The 41.50mm case is perfectly sized for most wrists, while the open case back allows you to admire the intricate Omega caliber 8500 movement inside. This automatic movement is known for its reliability and precision, with a frequency of 25,200 vibrations per hour and 39 jewels. The 60-hour power reserve means you won't have to worry about winding it every day. With a water resistance of 150 meters, the Aqua Terra is perfect for those who enjoy aquatic adventures. Whether you're swimming at the beach or simply caught in the rain, you can trust this watch to hold up. It's like having a reliable companion that keeps ticking even when you take a break from wearing it.
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MSRP: $9,700
Market Price: $5,104

Key Features

  • Omega caliber 8500 automatic movement
  • Stainless Steel and Red Gold case
  • 150m Water Resistance
  • 41.50mm Diameter
  • Sapphire Glass
  • 60-hour Power Reserve

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 41.5 Stainless Steel / Red Gold / Grey / Bracelet
Reference
231.20.42.21.06.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
41.5mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[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

Omega - 231.10.39.21.06.001 $2,850
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

Omega - 231.10.39.21.01.001 $2,850
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!

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 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馃巹

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

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

Omega - 220.13.41.21.03.003 $4,999
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

Omega - 231.10.42.21.02.006 $3,799
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

Omega - 231.10.39.60.06.001 $2,350
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
[WTS] Omega Aqua Terra 41mm Black Laquer Dial-O22010412101002- great condition- full set and warranty!

Omega Aqua Terra 41mm Black Laquer Dial-O22010412101002- great condition- full set and warranty!

Omega - O22010412101002 $6,000
The Omega Aqua Terra features a high-gloss black varnish dial and offers a cleaner and more premium look compared to the traditional teak lines. The watch has a polished center link with minor hairlines from light wear and is in great condition overall.

  • Condition: Great condition
  • Diameter: 41mm
  • Water resistance: 150m
  • Movement: Omega Calibre 8900 (Master Chronometer)
Posted at
Jan 2, 2026, 1:00 PM
Active