Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

Reference 231.18.39.21.51.001

Omega Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black

About this watch

The Omega Seamaster Aqua Terra is a masterpiece of horological innovation, seamlessly blending elegance with performance. This stunning timepiece boasts an automatic Omega caliber 8500 movement, providing 60 hours of power reserve and a Master Co-Axial Chronometer designation for exceptional precision and performance. The case is crafted from high-quality stainless steel, resistant to corrosion and wear, while the diamond-set bezel adds a touch of luxury without being overly ostentatious. With its impressive water resistance of 150 meters, this watch is versatile enough for swimming, snorkeling, and everyday wear. Whether you're looking for a professional or laid-back vibe, the Aqua Terra's design allows it to transition seamlessly between different settings, making it the perfect addition to any luxury watch collection.
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Key Features

  • Omega caliber 8500 automatic movement
  • 60 hours of power reserve
  • Master Co-Axial Chronometer designation
  • Stainless steel case with diamond-set bezel
  • 150 meters water resistance
  • Sapphire crystal glass for scratch resistance and clarity
  • Black dial with stick and dot indexes

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Diamond / Black
Reference
231.18.39.21.51.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Stainless Steel 38.5mm
Dial Color
Black
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Aqua Terra 41mm full set

Omega Aqua Terra 41mm full set

Omega - 220.10.41.21.01.001 · $4,150
This Omega Aqua Terra 150m is a full set with warranty card, hardly ever worn, and comes in excellent condition.

  • Condition: Excellent condition
  • Diameter: 41mm
  • Depth Rating: 150m
Posted at
Aug 21, 2025, 11:42 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra James Bond SkyFall 38.5mm

Omega Seamaster Aqua Terra James Bond SkyFall 38.5mm

Omega - 231.10.39.21.03.001 · $4,250
A James Bond Omega watch with a blue teak dial, stainless steel case, and bracelet, featuring the Omega Co-Axial 8500 calibre automatic movement.

  • Condition: Excellent overall condition
  • Case size: 38.5mm
  • Bracelet material: stainless steel
  • Wrist fit: approximately 6.75in
Posted at
Aug 21, 2025, 10:57 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 2518.30 Silver Dial Quartz 36mm $1,475

Omega Seamaster Aqua Terra 2518.30 Silver Dial Quartz 36mm $1,475

Omega - 2518.30 · $1,475
This Omega Seamaster Aqua Terra is a quartz-powered watch with a silver dial and a 36mm case.

  • Condition: Slight scratches on case and bracelet, crystal is clean, bracelet fits about 17.5cm wrist
  • Case Size: 36mm diameter
Posted at
Aug 21, 2025, 10:53 AM
Active
View listing on r/WatchExchange
[WTS] Omega Aqua Terra 38.5mm 231.10.39.61.06.001 Quartz 38.5mm

Omega Aqua Terra 38.5mm 231.10.39.61.06.001 Quartz 38.5mm

Omega - 231.10.39.61.06.001 · $1,600
Selling my Omega Aqua Terra 38.5mm Quartz watch with box, operating manual, and minor cosmetic wear.

  • Condition: Slight scratches on case and bracelet, clean crystal
  • Case diameter: 38.5mm
  • Bracelet size: 17.5cm
  • Shipping location: Singapore
Posted at
Aug 21, 2025, 1:48 AM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra with box & papers

Omega Seamaster Aqua Terra with box & papers

Omega - 15003-01M-001A · $6,500
WTS Omega Seamaster Aqua Terra with box & papers.

  • Band material: leather strap
Posted at
Aug 20, 2025, 5:01 PM
Active
View listing on r/WatchExchange
[WTS] 2024 OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm BOXES/PAPERS!

2024 OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm BOXES/PAPERS!

OMEGA - 220.12.41.21.03.008 · $5,000
2024 OMEGA Seamaster Aqua Terra Summer Blue Dial 41mm watch, complete with boxes and papers, in brand new condition.

  • Condition: Brand new with minor handling mark
  • Box Type: outer cardboard box, outer blue box, inner wooden box
  • Water Resistance: 150 Meters
Posted at
Aug 20, 2025, 4:18 PM
Active
View listing on r/WatchExchange
[WTS] Omega Seamaster Aqua Terra 42mm 231.10.42.21.02.003

Omega Seamaster Aqua Terra 42mm 231.10.42.21.02.003

Posted at
Aug 19, 2025, 4:37 PM
Active
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[WTS] NEW Omega Seamaster Aqua Terra Calibre 8500 42mm ( 3378$/ 2900€)

NEW Omega Seamaster Aqua Terra Calibre 8500 42mm ( 3378$/ 2900€)

Posted at
Aug 19, 2025, 2:40 PM
Active
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[WTS][WTT] Omega Aqua Terra London Olympics - Chronograph - Sedna Gold

[WTT] Omega Aqua Terra London Olympics - Chronograph - Sedna Gold

Omega - 522.23.44.50.03.001 · $3,999
This is an Omega Aqua Terra London Olympics Chronograph in Sedna Gold, a limited edition model with unique features.

  • Model Number: 522.23.44.50.03.001
  • Specs Link: https://imgur.com/a/f9RgJ6K
  • Comp Price: $6k
Posted at
Aug 18, 2025, 5:45 PM
Active
View listing on r/WatchExchange