Irish Sea clocks are a result of many sea Kayaking journeys made by Shane around the Irish Coastline. From the Blaskets in Kerry to Antrim's giants Causeway , to Skerries Islands , Carlingford or Conemara each clock has a signed single surce and location in its story. Sizes can be ordered from 120cm to 75 to 55 cm there is a sea clock for you. Simple to install and an ideal centrepiece to a feature wall that also tells the time. It is powered by a single AA battery with a Karlsson mechanism.