Omega Aqua Terra Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet

Reference 231.20.39.21.55.001

About this watch

The Omega Seamaster Aqua Terra 231.20.39.21.55.001 is a masterpiece of luxury watchmaking that combines elegance and robust functionality. Its Mother of Pearl dial changes hues with different lighting, adding an element of depth and intrigue. The combination of red gold and stainless steel gives it a luxurious feel, making it a statement piece for any outfit. At the heart of this magnificent watch lies the Omega caliber 8500, introduced in 2007, which has earned accolades for its reliability and precision. With a frequency of 25,200 vibrations per hour and a power reserve of up to 60 hours, it ensures your timepiece keeps ticking even after a weekend away from your wrist. The watch features a sapphire crystal resistant to scratches and impacts, ensuring that your watch remains pristine even after years of wear. Measuring 38.50 mm in diameter, this Omega watch fits comfortably on the wrist, striking a balance between being bold and understated.
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MSRP: $10,000
Market Price: $4,571

Key Features

  • Omega caliber 8500 movement
  • Mother of Pearl dial with changing hues
  • Sapphire crystal for scratch resistance
  • Water resistance of 150 meters
  • Red gold and stainless steel combination
  • Chronometer certified
  • Power reserve of up to 60 hours

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Co-Axial 38.5 Stainless Steel / Red Gold / MOP / Bracelet
Reference
231.20.39.21.55.001
Movement
8500
Movement Features
  • Hours, Minutes, Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38.5mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] 2025 Omega Aqua Terra 38m

2025 Omega Aqua Terra 38m

Omega - Aqua Terra 38mm · $4,750
This is a 2025 Omega Aqua Terra 38mm watch for sale. It's less than a year old and comes in good shape.

  • Condition: Good, with scratches on crystal and hairline scratches
  • Case size: 38mm diameter
  • Year: 2025
  • Box and papers included: Yes
Posted at
Feb 14, 2026, 10:34 PM
Active
[WTS] Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

Omega Seamaster Aqua Terra – James Bond SkyFall – 38.5mm

This Omega Seamaster Aqua Terra 'SKYFALL' is a James Bond edition watch with a blue teak dial as seen in the SkyFall scenes, featuring an automatic movement and stainless steel case.

  • Condition: Excellent
  • Movement: Omega Co-Axial 8500 calibre automatic movement
  • Case size: 38.5mm diameter
  • Water resistance: 150m
Posted at
Feb 14, 2026, 6:22 PM
Active
[WTS] Omega Seamaster Aqua Terra Quartz 231.10.39.60.06.001 $2,299

Omega Seamaster Aqua Terra Quartz 231.10.39.60.06.001 $2,299

The Omega Seamaster Aqua Terra Quartz is a highly regarded, all-around luxury watch that can seamlessly transition from formal events to casual wear.

  • Condition: Excellent pre-owned condition
  • Case Diameter: 38.5mm diameter
  • Lug Width: 19mm lug width
  • Lug To Lug: 45.4mm length of lugs
Posted at
Feb 14, 2026, 2:19 PM
Active
[WTS] Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

Omega Seamaster Aqua Terra 41mm White 220.10.41.21.02.001 2024 Full Set - $5,095

This Omega Seamaster Aqua Terra White is a 2024 model with minimal signs of wear and in excellent working condition, having been thoroughly tested on a timegrapher.

  • Condition: Excellent condition with minimal signs of wear
  • Year: 2024
  • Contents: full set including watch, inner & outer box, card holder, international warranty card, master chronometer card, pictograms card
Posted at
Feb 14, 2026, 12:11 PM
Active
[WTS] Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

Omega Seamaster Aqua Terra 2023 41mm Grey 220.10.41.21.06.001 Full Set - $5,495

This Omega Seamaster Aqua Terra Grey is a 2023 model, featuring a 41mm case.

  • Condition: Excellent condition with minimal signs of wear
  • Case Size: 41mm diameter
Posted at
Feb 14, 2026, 12:02 PM
Active
[WTS] Omega Seamaster Aqua Terra 36mm 2504.80 Full Set

Omega Seamaster Aqua Terra 36mm 2504.80 Full Set

Omega - 2504.80 · $3,700
Omega Seamaster Aqua Terra 36mm watch in great condition, with a deployant rubber strap from Helvetus.

  • Condition: Great condition with minor wear
  • Bracelet condition: minor wear
Posted at
Feb 14, 2026, 11:21 AM
Active
[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 09/2025 Full Set — $4795 Shipped obo

Omega Aqua Terra 220.10.41.21.10.001 — 09/2025 Full Set — $4795 Shipped obo

Up for sale is my Omega Aqua Terra 41mm in excellent condition, featuring a stunning green teak dial and Master Chronometer Co-Axial movement.

  • Condition: Excellent
  • Size: 41mm diameter
  • Year: 2025
  • Water resistance: 150m
Posted at
Feb 14, 2026, 12:17 AM
Active
[WTS] Omega Seamaster Aqua Terra 150m 38.5mm

Omega Seamaster Aqua Terra 150m 38.5mm

This Omega Seamaster Aqua Terra is a steel on steel model, featuring a 38.5mm case and 150m water resistance.

  • Condition: Very good condition
  • Water Resistance: 150m depth rating
  • Case Size: 38.5mm diameter
  • Bracelet Links: includes all removable links plus an extra half-link
Posted at
Feb 13, 2026, 9:46 PM
Active
[WTS] Omega Aqua Terra 2015 38.5mm 231.10.39.21.02.001 B&P

Omega Aqua Terra 2015 38.5mm 231.10.39.21.02.001 B&P

Aqua Terra 2015 model, 38.5mm diameter, suitable for everyday wear with versatile style.

  • Condition: Excellent condition
  • Size: 38.5mm diameter
Posted at
Feb 13, 2026, 4:28 PM
Active