This attractive wall clock was made by the Seth Thomas Clock Company of Thomaston, Connecticut. It is cataloged as the “Office Calendar No. 10.” This model was first offered in 1884 in four choices of wood. They included walnut, cherry, oak or old oak. This example having and oak case and a pendulum that hangs from the back of the movement was made circa 1896 and is in outstanding original condition.

This form is nice and slender. The oak case features a light finish that is consistent. The case measures 49 inches long. All five finials appear to be original to this example. The dials are painted on tin and are in excellent condition. They both measure 10 inches in diameter. The upper dial does features the Maker’s trademark in the appropriate location. The time track is set up in the traditional Roman numeral format. The lower dial displays the calendar information. The days of the month are located on the perimeter of the dial. These numerals are structured in an Arabic format. The calendar patent date information located on this dial, “Patented Feb. 15, 1876” is easy to read. The day of the week and the months rolls are in excellent condition. The movements are located behind the dials. The calendar mechanism is perpetual. This means that when it is set up correctly, it will automatically adjust for the variations in the lengths of the twelve months and adjust for leap year. This mechanism is supported by a bracket that is attached to the backboard. It gets it’s change orders form the time movement above. This brass movement features long rectangular plates. It is mounted to the backboard via a cast iron mounting bracket. This bracket provides enough space for the pendulum to be mounted to the back of the movement. The brass pendulum bob is partially visible in the lower section of the case. It is weight driven. The weight hangs from a cord that threads through a pulley that is mounted to the upper right side of the case. This provides enough drop for the clock to run eight days on a full wind. This movement also features maintaining power.

It is interesting to note that the Seth Thomas Clock Company also used this case form for their Regulator No. 6. In the Calendar form, This clock seldom comes to the marketplace.