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 1.3k

omega seamaster aqua terra 1.3k

Omega - 2518.50.00 · $1,300
This Omega Seamaster Aqua Terra is a 36mm model in good condition with some scratches and scuffs, but running great.

  • Condition: Good condition with some scratches and scuffs
  • Bracelet size: 6.5 in (wrist size)
  • Box/papers: No
Posted at
Oct 26, 2025, 11:19 AM
Active
[WTS] Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

Omega Aqua Terra Annual Calendar 38.5mm 231.10.39.22.01.001 - 2020 Box and Papers

This Omega Aqua Terra Annual Calendar features a 38.5mm case, annual calendar functionality, and is in excellent pre-owned condition with slight wear on high polished parts.

  • Condition: Excellent Pre-Owned Condition
  • Box Condition: terrible condition
  • Service History: unknown; +8-10 s/d 300+ AMP
  • Length Links: 16.5 links
Posted at
Oct 24, 2025, 11:12 PM
Active
[WTS] Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega Aqua Terra 2518.50 w/ Box, Papers, Serviced in 2023

Omega - 2518.50 · $1,999
The Omega Aqua Terra 2518.50 is a versatile travel watch with a quartz movement and 150m water resistance. It features a jumping hour hand for easy time zone switching and a screw-down crown. The watch has a slow date change that starts at approximately 8 PM and ends at midnight.

  • Condition: Used with some wear and tear
  • Movement Type: Quartz
  • Water Resistance: 150m
  • Bracelet Size Range: 6-7.25 inches
Posted at
Oct 24, 2025, 7:49 PM
Active
[WTS] Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

Omega Aqua Terra 41mm - Turquoise with Ceramic Bezel

The Omega Seamaster Aqua Terra 41mm features a turquoise fume dial with a black ceramic bezel, making it a refined and durable watch suitable for daily wear.

  • Condition: Great condition with hairline scratches along the side of the case and metal insert between the lugs
  • Diameter: 41mm
Posted at
Oct 24, 2025, 7:06 PM
Active
[WTS] Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

Omega Seamaster Aqua Terra Worldtimer 43mm “Summer Blue” 220.12.43.22.03.002 - 2024 Full Set

2024 Omega Seamaster Aqua Terra Worldtimer 43mm in 'Summer Blue' condition, featuring a Master Chronometer certification.

  • Condition: Pre-owned with slight wear on case and buckle, faint hairlines on bezel
  • Case size: 43mm
  • Water resistance: 100m
  • Power reserve: +335 hours
Posted at
Oct 24, 2025, 1:49 AM
Active