Turn the adjuster wheel on the rear to adjust hand, find your local high tide information at timeanddate.com and set the hand at the time of your chosen location high tide to high tide, for best accuracy set it at the high tide on a full moon. Then Place 1-AA battery in the rear and you are all set.

Find your local atmospheric pressure and set your barometer hand and marker hand to
that pressure. Please note the adjuster screw on the rear should only be turned no more than half a
turn in each direction.

Put your barometer in a plastic bag
and blow up the bag like a balloon. Twist the top to hold the air inside, then squeeze the bag and the barometer needle will rise and fall as you squeeze and let go.

Turn the adjuster wheel  on the rear to adjust the hand, find your local high tide information at timeanddate.com and set the hand to full moon on the date of the full moon ( set on full moon for best accuracy )  Then Place 1-AA battery in the rear and you are all set.

The moons does a full rotation from one full moon until the next in 29.53 days as does our movement, but please bear in mind that each phase can vary in length from 6-8 days but always totalling 29.53 days.

No they work off air pressure, not
batteries are required.

These mystery lines are a naturally occurring finish called "medullary rays" commonly mistaken as water marks but are actually something which adds character and beauty occasionally seen in our solid oak mounts.

Tide clocks work best on the coasts of the Atlantic Ocean andin places with regular high and low tides, also known as semidiurnal tidal areas. This includes most of the world's coastlines, but they may not be practical in certain areas such as the Gulf of Mexico or areas on the pacific coast.

Yes, all our clocks come with pre built in hangers on the rear so they can be easily hung on a single nail or screw.