Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / Grey / Bracelet

Reference 220.20.38.20.56.002

About this watch

The Omega Seamaster Aqua Terra 150M Master Chronometer is a masterpiece of luxury watchmaking, blending exceptional craftsmanship with sophisticated design. This stunning timepiece features a unique blend of Stainless Steel and Sedna Gold, giving it a luxurious feel without being overly flashy. The 38mm diameter comfortably sits on the wrist, making it suitable for various wrist sizes. The grey dial boasts depth and nuance that change under different lighting conditions, creating a unique look every time you glance at it. The gem-set indexes add a touch of luxury, while the arrow hands provide clarity and precision. At the center of this masterpiece is the Omega Caliber 8800, a self-winding movement featuring the innovative Co-Axial escapement. This technology reduces friction, enhancing the movement's longevity and precision. The watch is tested according to the Master Chronometer certification process approved by METAS, ensuring precision, performance, and resistance to magnetic fields up to 15,000 gauss. With a power reserve of 55 hours, you can confidently take this watch off for a weekend without worrying about it losing time. The sapphire glass adds an additional layer of protection, ensuring that the watch remains scratch-free over time. Whether you're at the office or out for a dinner date, the Aqua Terra seamlessly transitions between different settings.
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MSRP: $14,300
Market Price: $8,245

Key Features

  • Omega Caliber 8800 self-winding movement
  • Co-Axial escapement technology for enhanced precision and longevity
  • Master Chronometer certification process approved by METAS
  • Sapphire glass for scratch-free protection
  • Stainless Steel and Sedna Gold combination for luxurious feel
  • 38mm diameter for comfortable wear on various wrist sizes
  • Grey dial with depth and nuance that change under different lighting conditions

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Chronometer 38 Stainless Steel / Sedna Gold / Grey / Bracelet
Reference
220.20.38.20.56.002
Movement
8800
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38mm
Dial Color
Grey
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 150M "SPECTRE" James Bond Limited Edition - 231.10.42.21.03.004

Omega Seamaster Aqua Terra 150M "SPECTRE" James Bond Limited Edition - 231.10.42.21.03.004

This Omega Seamaster Aqua Terra 150M 'SPECTRE' James Bond Limited Edition features a blue PVD dial, Master Co-Axial Caliber 8507 movement, and a stainless steel bracelet. The watch is part of a limited run of 15,007 pieces.

  • Condition: great condition with only minor signs of wear
  • Case diameter: 41.5mm
  • Movement: Omega Caliber 8507 (Anti-magnetic to >15,007 Gauss)
  • Power reserve: 60 Hours
Posted at
Mar 21, 2026, 6:24 PM
Active
[WTS] Omega SeaMaster Aqua Terra 38mm Green Dial 220.10.38.20.10.002 F/Set 2023

Omega SeaMaster Aqua Terra 38mm Green Dial 220.10.38.20.10.002 F/Set 2023

The Omega Seamaster Aqua Terra is a beautiful watch in the perfect size, with a 38mm diameter.

  • Diameter: 38mm
  • Size: perfect
  • Boxes: outer and inner
Posted at
Mar 21, 2026, 1:03 AM
Active
[WTS] Omega Seamaster Aqua Terra 231.10.42.21.02.001

Omega Seamaster Aqua Terra 231.10.42.21.02.001

This Omega Seamaster Aqua Terra is a watch-only example in very clean condition, featuring a white dial and 41.5mm case size.

  • Condition: Very clean pre-owned condition with light wear throughout
  • Model: Seamaster Aqua Terra
  • Diameter: 41.5mm
  • Movement Status: Functions well as it should
Posted at
Mar 20, 2026, 6:58 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Teak Blue 231.13.42.21.03.001 2024 Full Set 42mm - $4100 plus shipping

OMEGA Seamaster Aqua Terra Teak Blue 231.13.42.21.03.001 2024 Full Set 42mm - $4100 plus shipping

The Omega Seamaster Aqua Terra is a classic and versatile watch that effortlessly blends sport and dress, featuring a blue teak dial and powered by Omega's reliable Co-Axial automatic movement.

  • Condition: Excellent Pre-Owned
  • Case size: 42mm diameter
  • Case material: Stainless Steel
  • Dial color: Blue Teak
Posted at
Mar 20, 2026, 6:46 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer 150M 220.12.43.22.03.001 2024 Men’s 43mm Full Set - $6750 plus shipping

OMEGA Seamaster Aqua Terra Worldtimer 150M 220.12.43.22.03.001 2024 Men’s 43mm Full Set - $6750 plus shipping

The Omega Seamaster Aqua Terra Worldtimer features a blue world map dial, one of Omega's best modern designs, on a 43mm steel case paired with a blue rubber strap. This watch is a full set with box and 2024 papers.

  • Condition: Excellent condition
  • Case size: 43mm diameter
  • Water resistance: 150m depth rating
Posted at
Mar 20, 2026, 6:39 PM
Active
[WTS] 2023 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

2023 Omega Seamaster Aqua Terra 42mm Spectre 007 James Bond LE 231.10.42.21.03.004 Full Set

A limited-edition James Bond 'Spectre' model, created to celebrate the 2015 film, available as part of a full collector set.

  • Condition: Excellent
  • Year: 2023
  • Model name: Seamaster Aqua Terra Spectre
  • Size: 42mm
Posted at
Mar 20, 2026, 4:41 PM
Active
[WTS] Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega Seamaster Aqua Terra – Annual Calendar – 38.5mm Blue Dial

Omega - 23110392203001 · $4,200
A versatile Omega Seamaster Aqua Terra Annual Calendar watch with a 38.5mm stainless steel case and blue dial, featuring an annual calendar complication and Co-Axial calibre 8601.

  • Condition: Excellent
  • Case size: 38.5mm diameter
  • Movement: Omega Co-Axial calibre 8601
Posted at
Mar 20, 2026, 12:36 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

Omega Seamaster Aqua Terra 150M Annual Calendar –Teak Dial – Discontinued|Ref: 231.13.39.22.01.001|Full Set – 2020 – Excellent Condition

A discontinued Omega Seamaster Aqua Terra 150M featuring an annual calendar complication and black teak dial, housed in a 38.5mm stainless steel case.

  • Condition: Excellent
  • Case diameter: 38.5mm
  • Water resistance: 150m
  • Movement: Calibre 8601 automatic
Posted at
Mar 19, 2026, 11:01 PM
Active
[WTS] Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

Omega Aqua Terra Shades - 38mm Sandstone - 220.10.38.20.09.001 - Price Reduced!

This Omega Seamaster Aqua Terra Shades features a stunning dial and is running exceptionally well at +1 second/day.

  • Condition: lightly pre-owned with light, normal wear throughout
  • Size: 38mm diameter
  • Movement performance: +1 second/day, 300+ amplitude
Posted at
Mar 18, 2026, 5:26 PM
Active