The Wristwatch Field Guide

Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium)

220.92.41.21.06.001

The Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium) is a current-production dress watch with a grey gamma titanium (ti-aluminide); grade 5 dial case, finished with sandblasted. It measures 41.0 mm across, 55 g, and is water resistant to 150 m. Inside is the Omega Caliber 8928 manual hand-wound (master chronometer, titanium bridges) movement, with 72 h power reserve. Complications: Time only. Priced from $48,600 (MSRP). Brand origin: Switzerland.

Titanium and ceramic dress watchesTitanium
Reference
220.92.41.21.06.001
Type
Dress
Price
$48,600 · MSRP
Case diameter
41.0 mm
Thickness
Lug-to-lug
Water resistance
150 m
Weight
55 g
Origin
Switzerland
Movement
Manual hand-wound (Master Chronometer, titanium bridges)
Caliber
Omega Caliber 8928
Power reserve
72 h
Complications
Time only
Material
Titanium
Grade / type
Gamma titanium (Ti-aluminide); Grade 5 dial
Colour
Grey
Hardness
Construction
Surface treatment
Sandblasted
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Strap
Matching bracelet
Crystal
Sapphire, AR coated
Display back
No
Dial
Grade 5 titanium, stripe motif
Lume
Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jun 2026 Source: aBlogtoWatch Maker / listing ↗
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Frequently asked questions

Is the Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grey gamma titanium (ti-aluminide); grade 5 dial case with a titanium caseback, plus a non-steel crown and strap. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium)?

The Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium) has a grey gamma titanium (ti-aluminide); grade 5 dial case with a titanium caseback. This is confirmed against the maker spec.

What size is the Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium)?

It is 41.0 mm in diameter, and water resistant to 150 m.

How much does the Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium) weigh?

About 55 g.

How much does the Omega Seamaster Aqua Terra Ultra Light (Gamma Titanium) cost, and is it available?

It is current-production and lists from $48,600.

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