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 Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega Aqua Terra OEM Black Rubber Strap. With End link and deployant clasp.

Omega - Aquaterra 41mm $400
A lightly worn OEM Omega Aquaterra strap with end link and deployant clasp.

  • Condition: Very lightly worn
  • Lug Width: 20mm
  • Strap Material: rubber
Posted at
Apr 25, 2026, 4:50 PM
Active
[WTS] Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Sept 2025 Omega Aqua Terra 41mm. Green Teak Dial. 220.10.41.21.10.001. Full Set.

Omega - 220.10.41.21.10.001 $4,695
This Omega Aqua Terra is a 41mm watch with a Green Teak dial, featuring a full set and under warranty.

  • Condition: Full set with minimal wear
  • Diameter: 41mm
  • Warranty status: under warranty
Posted at
Apr 25, 2026, 4:09 PM
Active
[WTS] 2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

2024 Omega Seamaster Aqua Terra Red Dial on Bracelet 220.10.38.20.13.003 B+P

Omega - 220.10.38.20.13.003 $5,600
The Omega Seamaster Aqua Terra Shades stands out with its rich red dial, offering a fresh take on the classic Aqua Terra design.

  • Condition: Mint condition
  • Case diameter: 38mm
  • Movement type: Self-winding Mechanical
  • Case material: Stainless Steel
Posted at
Apr 25, 2026, 2:12 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

2023 Omega Seamaster Aqua Terra Skyfall Blue 231.10.42.21.03.003 41.5mm Full Set - $4,795

Omega - 231.10.42.21.03.003 $4,795
This Omega Seamaster Aqua Terra Skyfall Blue features a blue dial and is a limited edition model from 2023.

  • Condition: Excellent condition with minimal signs of wear.
  • Length: 41.5mm
Posted at
Apr 25, 2026, 9:55 AM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$9,600馃敟

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 馃敟$9,600馃敟

OMEGA - 220.10.43.22.03.002 $9,600
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 that captures the essence of a perfect day at sea.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet size: ~7"
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links, shipping coffin, digital copy of original purchase receipt
Posted at
Apr 24, 2026, 6:15 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,100馃敟

OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 馃敟$6,100馃敟

OMEGA - 220.10.38.20.13.003 $6,100
The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a Terracotta dial, symmetrical case design, and is powered by the Co-Axial Master Chronometer Calibre 8800.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Contents: ULTIMATE SET (includes box, papers, serial hang tag, spare links, shipping coffin, and digital copy of original purchase receipt)
  • Case dimensions: 38mm
Posted at
Apr 24, 2026, 6:12 PM
Active
[WTS] Omega Aqua Terra 2503.50

Omega Aqua Terra 2503.50

Omega - 2503.50 $2,550
This Omega Aqua Terra 2503.50 automatic is a great example of an Omega's iconic design, with a reliable and accurate movement.

  • Condition: Great condition with some wear around the watch
  • Payment Methods Accepted: Pretty much every method, including crypto
  • Location: Southwest FL
  • Local Meet Available: Yes
Posted at
Apr 24, 2026, 1:04 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - Clean!

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - Clean!

Omega - 2503.50 $2,750
A great pre-owned Omega Seamaster Aqua Terra in black with a 39mm size, available for sale.

  • Condition: pre-owned, minor wear
  • Size: 39mm diameter
Posted at
Apr 24, 2026, 12:47 PM
Active
[WTS] Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega Aqua Terra 2503.80 - 39mm - Blue Automatic

Omega - 2503.80 $2,750
Aqua Terra Blue Dial Automatic watch in overall clean condition with a few small marks on the crystal.

  • Condition: pre-owned, overall clean condition with light wear throughout
  • Size: 39mm diameter
  • Dial color: Blue
Posted at
Apr 24, 2026, 12:44 PM
Active