Omega Marine

One of the first wristwatches for divers, with a case that slid into an outer shell.

The Marine was tested at great depth in Lake Geneva in 1936. It was an early step towards waterproof diving watches.

Materials: Steel or gold, glass; hand-wound movement

Manufacture: Made in Biel; the inner case was locked with a clasp.

The rectangular case with an outer shell.

The clasp holding the two parts together.

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