Seiko

I had to search considerably for this, had one stolen in the mail from Germany unfortunately but finally found one! I enjoy learning about moon phases and tides— spring and neap tides perhaps improving my fishing🤪🤔😮! Clever vintage technology from Seiko! ...  

Anyone know how?

I had one of those tide watches too, but I never could figure it out ... we live a mile from the water so it was easier for me to go look than to check the instructions for the watch :-( Here are the instructions if they didn't come with the watch. Cheers...  

I’ve been looking closely at this Seiko, and I’m increasingly convinced it isn’t a “tide watch” in the usual sense at all but a tide wheel calculator built into a watch case. On a true tide watch, the tide indicator is geared to the movement, so the tide ... 

The Habring2 Aurora 🇦🇹 ...  

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