Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer Small Seconds 38 Sedna Gold / Diamond / MOP / Alligator

Reference 220.58.38.20.55.002

About this watch

The Omega Seamaster Aqua Terra 150M Master Chronometer Small Seconds is a masterpiece of luxury watchmaking, featuring a stunning Sedna Gold case with a round shape and a diameter of 38.00 mm. The watch boasts a water resistance of 150 meters, making it suitable for both casual and formal occasions. The intricate Mother of Pearl dial reflects light in a way that adds depth and character, while the gem-set indexes add a touch of luxury. The bezel is adorned with exquisite gemstones, elevating this watch from mere functionality to a piece of jewelry. Powered by the advanced Omega caliber 8803 movement, this watch offers precision and reliability, showcasing Omega's commitment to craftsmanship. With its Master Chronometer certification approved by METAS, it has passed stringent tests for accuracy, performance, and resistance to magnetic fields up to 15,000 gauss. The self-winding movement is efficient with a power reserve of up to 55 hours, making it perfect for daily wear. The watch also features a small seconds display at the 6 o'clock position, adding a unique touch to its functionality. With a date display integrated into the design and an adjustable buckle on the high-quality alligator leather strap, this watch is designed to be worn comfortably and confidently.
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Key Features

  • Omega caliber 8803 movement
  • Sedna Gold case
  • 150-meter water resistance
  • Mother of Pearl dial with gem-set indexes
  • Gem-Set bezel
  • Master Chronometer certification approved by METAS
  • Power reserve up to 55 hours

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Chronometer Small Seconds 38 Sedna Gold / Diamond / MOP / Alligator
Reference
220.58.38.20.55.002
Movement
8803
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
Sedna Gold 38mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 150M 41.5 mm, Cards Included... Ref: 231.10.42.21.03.003

Omega Seamaster Aqua Terra 150M 41.5 mm, Cards Included... Ref: 231.10.42.21.03.003

Aqua Terra 150M, 41.5 mm in diameter

  • Case size: 41.5mm
  • Shipping method: Fedex with insurance
Posted at
Jan 25, 2026, 3:47 PM
Active
[WTS] Omega Aqua Terra 2504.50 with Bracelet // 36mm // 150m WR // 2025 Full Service

Omega Aqua Terra 2504.50 with Bracelet // 36mm // 150m WR // 2025 Full Service

Omega - 2504.50 · $2,700
A modern classic, the Omega Aqua Terra with a black dial and co-axial movement is perfect for everyday wear, suitable for various activities such as swimming or formal events.

  • Condition: Great, light hairlines throughout but no major blemishes
  • Case Material: Stainless steel
  • Diameter: 36.2mm
  • Lug To Lug: 44mm
Posted at
Jan 25, 2026, 3:11 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

Omega Seamaster Aqua Terra 150m | Calibre 8500 Co-Axial | 231.10.39.21.06.001

This Omega Seamaster Aqua Terra features a Calibre 8500 Co-Axial movement, 38.5mm case size and a 7.25 inch bracelet.

  • Water Resistance: 150m
Posted at
Jan 25, 2026, 9:46 AM
Active
[WTS] Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega Seamaster Aqua Terra Silver Dial - 2504.30 - 36mm- $2,350 Shipped ✈️

Omega - 2504.30 · $2,350
A compact Omega Seamaster Aqua Terra in a sought-after 36mm case with a beautiful sunburst silver dial.

  • Condition: Very good
  • Case diameter: 36mm
  • Movement: Omega Co-axial 2500
Posted at
Jan 24, 2026, 9:57 PM
Active
[WTS] Omega Aqua Terra 41mm - Ref. 220.13.41.21.03.003

Omega Aqua Terra 41mm - Ref. 220.13.41.21.03.003

This Omega Aqua Terra was inherited from a distant relative and is in excellent condition, with minimal wear on its polished surfaces. It comes with original accessories, including an Omega leather strap and deployant, and has been verified as authentic by the Omega Boutique.

  • Condition: Excellent
  • Serial number verified: true
  • Omega service eligible: true
Posted at
Jan 24, 2026, 4:06 PM
Active
[WTS] Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Omega Seamaster Aqua Terra 38 Green 220.12.38.20.10.001

Aqua Terra 38 Green, a luxury watch from Omega, in mint condition with original box and papers.

  • Condition: Mint condition
  • Box and papers included: true
  • Tag included: true
Posted at
Jan 24, 2026, 2:21 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
  • Year: 2023
  • Size: 41mm diameter
  • Contents: inner & outer box, card holder, international warranty card, master chronometer card, pictograms card
Posted at
Jan 24, 2026, 1:54 PM
Active
[WTS][US] Omega Seamaster Aqua Terra 150m - Turquoise Dial - 41mm - 220.32.41.21.03.001

[US] Omega Seamaster Aqua Terra 150m - Turquoise Dial - 41mm - 220.32.41.21.03.001

This Omega Seamaster Aqua Terra features a turquoise dial and is housed in a 41mm case.

  • Condition: Fantastic condition with minor hairlines
  • Depth rating: 150m
  • Case size: 41mm
  • Water resistance: 150m
Posted at
Jan 24, 2026, 9:38 AM
Active