The Seamaster Aqua Terra Ultra Light has a case, case back, and crown all made of an alloy called Gamma Titanium, which is why this is the lightest mechanical watch in the Omega lineup, by far. This slim, ergonomic chronometer features a unique telescoping crown that pops in & out with a press of the finger for a more streamlined look. It is powered by an all-new movement; a manually wound Caliber 8928 Titanium, reducing the watches’ weight & dimension still further.
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