Some Bluray Caps of the Alsta Nautoscaph

The Jaws Blu-ray confirmed what I saw on the DVD - The Alsta was a perfect match.

This image very clearly shows the internal cyclops date magnifier, the red-tipped seconds hand, and, very importantly, the white square around the date window.

Here is another good view of the red-tipped seconds hand, as well as the "harlequin" Zero marker on the bezel.