Though each Chelsea Clock leaves our factory fully wound, if you live outside of the Eastern Standard timezone, have purchased a vintage clock, or have inherited a family heirloom, you may need to initially set the time yourself. If your clock is new, first remove the black tubing from the winding arbor in the front of the clock. Make sure to save the tube for future use (you may want to use if you ever ship the clock or are away from it for an extended period of time). To set the time, gently turn the minute hand clockwise to the correct time, stopping at each hour and half-hour point to allow the bells to strike their full count. Never move the hour hand manually — all adjustments should be done by carefully moving the minute hand. Take caution not to force the hands when setting the time: If at any point the hands appear to lock, move the minute-hand backwards through one striking position, then continue as described.

Keep in mind that ten minutes prior to each chime striking point (20 minutes past and 10 minutes ’til the hour) the gears and levers of the striking mechanism begin to fall into the correct positions. Therefore, clock adjustments should never be made in the ten minutes prior to a strike. It’s also imperative that the minute hand be slowly rotated clockwise approaching each striking point, and the clock must be allowed to strike its full count before moving forward with adjustments. For safety’s sake it’s best to do all adjustments when the clock reads 5-to-15 minutes past the hour or 25-to-15 minutes before the hour.

Winding Your Clock

You’ll want to wind your clock carefully each week at approximately the same time. The left keyhole is for winding the strike mechanism and the right one is for the clock’s mainspring. Start on the left and wind both completely. If the clock has run down all the way, it’s extremely important to wind it before touching or moving the hands. If, after you wind it, the minute hand is locked, this means that the mechanism has jammed. To fix the jam, re-wind both sides fully before moving the minute-hand backwards one hour or more. Then reset the time as described above.


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