The Wristwatch Field Guide

Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium)

231.90.39.21.04.001 Archive · used only

The Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium) is a discontinued dress watch with a grade 5 titanium case, finished with brushed and polished. It ships on a matching exotic-material bracelet rather than a strap. No longer offered new; listed here as an archive reference for the used market.

All Omega watchesExotic-material dress watchesTitaniumDisplay back
Material
Titanium
Grade / type
Grade 5
Water resistance
150 m
Reference
231.90.39.21.04.001
Type
Dress
Price
– · Secondary market only
Case diameter
38.5 mm
Origin
Switzerland
Movement
Co-Axial chronometer (>15,000 gauss anti-magnetic)
Caliber
Omega Caliber 8500
Power reserve
60 h
Complications
Date
Colour
Grey
Surface treatment
Brushed and polished
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Titanium bracelet; push-button deployant clasp
Matching bracelet
Standard
Crystal
Sapphire, AR coated
Display back
Yes
Dial
White lacquered, applied blue indexes
Dial colours
White Blue
Lume
Super-LumiNova
Availability
No longer offered
Status
No longer in production (2014 GoodPlanet Foundation edition)
Not published
Thickness, Lug-to-lug, Weight, Hardness, Construction
High confidence Verified Jun 2026 Source: Omega (maker) / AuthenticWatches Suggested by u/Watches-and-Books
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OmegaSeamaster Aqua Terra Ultra Light (Gamma Titanium)$48,60041.0 mm55 gDressOmega Seamaster Diver 300M 007 Edition (Titanium)OmegaSeamaster Diver 300M 007 Edition (Titanium)$11,30042.0 mm95 gDiver
OmegaSeamaster Ploprof 1200M Titanium$9,80055.0 mm175 gDiver

Frequently asked questions

What is the case material of the Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium)?

The Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium) has a grade 5 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium)?

It is 38.5 mm in diameter, and water resistant to 150 m.

How much does the Omega Seamaster Aqua Terra 150M GoodPlanet (Titanium) cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market.

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