The Simplicity of Tide Only Movements Tide just movements are what you desire when you don't care about timekeeping besides reporting family member trend degree. Simple tide only movements let you assembled a "tide-piece" quickly. Once it is calibrated, it will on a regular basis track the lunar day of 24-hour as well as 50 mins with accuracy as well as accuracy. Movements reporting tide only improve the fundamental modern technology for constructing clocks, but they omit all the additional accouterments associated with monitoring hrs, minutes, and also secs. Of course, a special dial is required that reveals low and high tide along with phases in between. But just a single hand suffices.