Omega Aqua Terra Seamaster Aqua Terra 150M Master Chronometer Small Seconds 38 Stainless Steel / Sedna Gold / MOP - Diamond / Bracelet

Reference 220.20.38.20.55.002

About this watch

The Omega Seamaster Aqua Terra 220.20.38.20.55.002 is a masterclass in luxury watchmaking, seamlessly blending elegance with performance. This stunning timepiece boasts a Sedna gold and stainless steel case, mother-of-pearl dial, and gem-set indexes, creating a truly unique and breathtaking aesthetic. The Omega caliber 8802 movement, certified as a Master Chronometer, is a marvel of engineering, resistant to magnetic fields up to 15,000 gauss. With a water resistance of 150 meters and a date function, this watch is built for aquatic adventures and everyday wear. Its adjustable stainless steel and Sedna gold bracelet adds sophistication and comfort, making it a worthy addition to any watch collection.
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Key Features

  • Omega caliber 8802 Master Chronometer movement
  • Sedna gold and stainless steel case
  • Mother-of-pearl dial with gem-set indexes
  • Water resistance of 150 meters
  • Date function and small seconds display
  • Adjustable stainless steel and Sedna gold bracelet
  • Co-Axial escapement reduces friction and enhances longevity

Specifications

Brand
Omega
Family
Aqua Terra
Model
Seamaster Aqua Terra 150M Master Chronometer Small Seconds 38 Stainless Steel / Sedna Gold / MOP - Diamond / Bracelet
Reference
220.20.38.20.55.002
Movement
8802
Movement Features
  • Hours, Minutes, Small Seconds
  • Date
  • Chronometer, Co-Axial Escapement
Case
38mm
Dial Color
White
Crystal
Sapphire
Water Resistance
150

Current Listings

[WTS] Omega Seamaster Aqua Terra 2518.30 €1750

Omega Seamaster Aqua Terra 2518.30 €1750

Omega - 2518.30 · $1,750
The Omega Seamaster Aqua Terra is a luxury watch model that combines style and functionality. It features a sleek design with a 41mm case size, making it suitable for both men and women.

  • Condition: really good condition with minor signs of wear
  • Box: original box included
  • Links: all original links and parts
Posted at
Feb 20, 2026, 5:56 PM
Active

Omega Aqua Terra 41mm Green Teak Dial

Up for sale is my Omega Aqua Terra Reference, 220.10.41.21.10.001. It's a great piece and looks awesome.

  • Condition: Good condition with limited wear and normal desk diving marks
  • Warranty papers date: April 2024
  • Included accessories: bracelet links, box
Posted at
Feb 20, 2026, 12:15 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m “Turquoise” Dial 220.10.38.20.03.005 38mm Full Set 2025

Omega Seamaster Aqua Terra 150m “Turquoise” Dial 220.10.38.20.03.005 38mm Full Set 2025

The Omega Seamaster Aqua Terra 150m 'Turquoise' Dial is a 38mm watch with a full set, including the original box and papers.

Posted at
Feb 19, 2026, 7:20 PM
Active
[WTS] Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

Omega Seamaster Aqua Terra 150m Blue 220.10.41.21.03.002

This Omega Seamaster Aqua Terra is a blue dial watch with a depth rating of 150m.

  • Bracelet length: 7.25 inches
Posted at
Feb 19, 2026, 5:40 PM
Active
[WTS] Omega Seamaster Aqua Terra 150M 41mm Ref: 220.10.41.21.03.001 B&P

Omega Seamaster Aqua Terra 150M 41mm Ref: 220.10.41.21.03.001 B&P

The Omega Seamaster Aqua Terra 150M is a stylish and versatile watch suitable for both formal and casual occasions.

Posted at
Feb 18, 2026, 10:02 PM
Active
[WTS] Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

Omega Aqua Terra 220.10.41.21.10.001 — 5 Months Old — PRICE DROP — $4,745 Shipped OBO

This is a 5-month-old Omega Aqua Terra with a unique Green Teak dial, adding depth and texture to the watch.

  • Condition: Excellent
  • Size: 41mm diameter
  • Dial: Green Teak with horizontal 'teak' pattern
  • Movement: Co-Axial Master Chronometer (METAS certified)
Posted at
Feb 18, 2026, 1:25 PM
Active
[WTS] Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega Seamaster Aqua Terra - Black 39mm - 2503.50 - $2,595 Shipped!

Omega - 2503.50 · $2,595
A 39mm Omega Seamaster Aqua Terra in great condition with everything functioning as it should.

  • Condition: pre-owned, minor wear
  • Size: 39mm diameter
Posted at
Feb 18, 2026, 12:14 PM
Active
[WTS] OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$9,600🔥

OMEGA Seamaster Aqua Terra Worldtimer "Summer Blue" Ref. 220.10.43.22.03.002 - ULTIMATE SET! 🔥$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.

  • Condition: VERY GOOD - Some light scratches on case and bracelet.
  • Case size: 43mm
  • Bracelet length: pre-sized for a ~7" wrist
  • Contents: ULTIMATE SET - Includes box, papers, serial hang tag, spare links (for fully-linked bracelet), shipping coffin, and digital copy of original purchase receipt.
Posted at
Feb 17, 2026, 11:01 PM
Active
[WTS] OMEGA Seamaster Aqua Terra 150M Terracotta Ref. 220.10.38.20.13.003 - ULTIMATE SET! 🔥$6,100🔥

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

The OMEGA Seamaster Aqua Terra Ref. 220.10.38.20.13.003 features a vibrant Terracotta dial, symmetrical case design and polished brushed bracelet.

  • Condition: UNWORN
  • Bracelet size: ~7"
  • Box included: true
  • Papers included: true
Posted at
Feb 17, 2026, 10:59 PM
Active