Tide Movement with time
4 hands movement, Hour, minute, centre seconds and tide hand

Dimensions: 55 x 70 x 25mm
shaft = 18 mm
Step seconds

Uses LR6 battery (no inclued)

Minute hand 120mm

The hand rotates at 12 hours and 25 minutes to the normal 12 hour rotation of other clocks. This is half the lunar cycle of 24 hours 50 minutes which governs high and low tides.
Please note that the 24 hour 50 minutes is an average figure based on a 29 1/2 day cycle. Actual high and low tides may vary due to local wind conditions causing tides to be slightly earlier or later than indicated