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

Reference 231.20.42.21.06.001

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

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] REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

REDUCED Omega Aqua Terra 38mm Blue Dial – Ref. 220.10.38.20.03.003 – Full Set

Omega - 220.10.38.20.03.003 · $4,849
A Omega Aqua Terra 38mm watch, featuring a blue shades dial and an Omega Co-Axial Master Chronometer Caliber 8800 movement. It has a stainless steel bracelet with polished center links and is water resistant up to 150 meters.

  • Condition: Excellent overall condition, light signs of wear
  • Case size: 38mm diameter
  • Dial color: blue
  • Movement type: Omega Co-Axial Master Chronometer Caliber 8800
Posted at
Apr 15, 2026, 6:03 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001 - White Teak Automatic

Omega Seamaster Aqua Terra 231.10.42.21.02.001 - White Teak Automatic

Omega - 231.10.42.21.02.001 · $2,895
This Omega Seamaster Aqua Terra is a watch-only example in very clean pre-owned condition, with everything functioning well.

  • Condition: Very clean pre-owned condition with light wear throughout
  • Size: 41.5mm diameter
  • Dial condition: small mark on the dial (in line with the 2 o’clock marker)
Posted at
Apr 15, 2026, 4:46 PM
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[WTS] 2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,599.00

2020 Omega Aqua Terra Captain’s Watch White/silver 6/20 Ref# 231.10.42.21.02.002 $3,599.00

Omega - 231.10.42.21.02.002 · $3,599
A 2020 Omega Aqua Terra Captain's Watch in white and silver, featuring an automatic self-winding movement, 41.5mm case, and 150M water resistance.

  • Condition: fantastic condition with a few minor flaws on the case and box
  • Diameter: 41.5mm
  • Water Resistance: 150m
  • Movement: 8500 Caliber automatic self-winding movement
Posted at
Apr 15, 2026, 12:12 PM
Active
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[WTS] Omega Aqua Terra 41mm Black Lacquer Dial, $5200

Omega Aqua Terra 41mm Black Lacquer Dial, $5200

Omega - 220.10.41.21.01.002 · $5,200
A Omega Aqua Terra with a black lacquer dial, available for sale.

  • Condition: Preowned
  • Shipping: $100 (USA)
  • Payment Methods: Wire,Credit Card
  • Warranty: 2025
Posted at
Apr 15, 2026, 10:30 AM
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[WTS] Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Omega Seamaster Aqua Terra 231.10.39.21.01.001 Black Teak 38.5mm - $3,250

Omega - 231.10.39.21.01.001 · $3,250
Up for sale is my great condition Omega Seamaster Aqua Terra 231.10.39.21.01.001.

  • Condition: Very good condition for its age, minimal marks/hairlines on case, caseback, and bracelet
  • Movement: Automatic Omega Calibre 8500
  • Case size: 38.5mm
  • Bracelet material: Steel
Posted at
Apr 15, 2026, 4:35 AM
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[WTS] Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega Aqua Terra 231.10.39 Cal 8500 38.5 mm - $2,650

Omega - 231.10.39 Cal 8500 · $2,650
Up for sale is my Omega Aqua Terra 231.10.39 Cal 8500. This watch measures at 39mm and has an OMEGA 8500 movement.

  • Condition: great condition, minimal marks on the case and bezel
  • Case size: 39mm
  • Movement: Calibre OMEGA 8500
  • Bracelet material: steel
Posted at
Apr 15, 2026, 4:33 AM
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[WTS] Omega Aqua Terra 2503.30 39mm Champagne Dial Box and Papers - $2,350

Omega Aqua Terra 2503.30 39mm Champagne Dial Box and Papers - $2,350

Omega - 2503.30 · $2,350
Up for sale is my great condition Omega Seamaster 2503.30, measuring at 39mm with an automatic Omega Calibre 2500 movement.

  • Condition: Very good condition for its age with minimal marks/hairlines on the case, caseback, and bracelet
  • Diameter: 39mm
  • Movement: Omega Calibre 2500
Posted at
Apr 15, 2026, 4:25 AM
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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 )

Omega - 220.10.38.20.01.004 · $5,750
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
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Omega Seamaster Aqua Terra Green 41mm

Omega Seamaster Aqua Terra Green 41mm

Omega - 220.10.41.21.10.001 · $4,200
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
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