Nickel Plated Chelsea Ship Clock in working order. 4 1/2 in dial close to 12 in across.serial#on movement matches serial#stamped on back of clock.It is  hinged but it needs a new pin in it. None of the hinges are broken. This clock is in great condition. Not sure when it was serviced. The clock runs and chimes on the hour and the half hour. As in ships time. All original dated 1970 to 74 has the hinged case. Due to shipping this item may need adjusted and or serviced. Do not no when it was serviced. Bought off a clock dealer..selling as is!!! Any Questions please ask.....