Seth Thomas Legacy – 2W Mantel Clock with No. 124 Movement, Made in 1950

This Seth Thomas “Legacy – 2W” mantel clock with Westminster chime dates from 1950. The movement is the No. 124, introduced about 1924 and made through 1956. The clock is 14 1/4 inches tall and 10 3/4 inches wide. The minute hand is 2 7/8 inches long, with a 5 2/4 inch minute track on the dial.

Besides “No. 124” and “Made in U.S.A.”, the back of the movement has the model number B124E and date code 5003 (March 1950). The No. 124 movement has small gears (compared to a standard American clock movement) and a deadbeat escapement. The mainsprings are in stationery barrels. The pendulum bob weighs 3.0 ounces (some examples have a 5 or 6 ounce bob). Earlier versions have a Graham deadbeat escapement, and on later examples such as this the pallets are hardened steel pins of 4-sided cross section

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The bottom of the instruction label on the rear door has the date code 5010 (October, 1950).

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Repair job 6005. Polish pivots, install 26 bushings. New time and strike mainsprings. This clock runs very well. After it ran down, it took 11 turns of the time winding arbor to wind it. This corresponds to about two weeks of running.

It takes time to properly repair the No. 124 because of the many pivots that need polishing. Some of the pivots are short, so care must be taken to make the bushings short enough for the pivots to protrude.

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  1. I just picked up a legacy 2E #4818 B-1700 series movements Model E703-000. Original price tag $138. Tax included metal seth thomas. electric clock with the key. Chimes work seems like the electric part not working. Beautiful no damage. I would like to get rid of it.

  2. I think I’ve figured out how to wind it and set the time, but the chimes are off from the minute hand by 30 min

  3. I don’t give values as they are too variable. You can look on to see what similar clocks have sold for.

  4. Hi Bill,

    What would you say the value is for this clock? My clock has the 124 movement. I would never sell mine because of the emotional attachment I have to the clock. Really just curious.

    Thank you.

    Robert Taylor

  5. If your clock has the No. 124 movement (made in USA), the winders turn counterclockwise.

    If your clock has the German movement, the winders turn clockwise.

  6. I need to replace a lost wind-up key for this exact model ST clock. Could you please tell me which key to purchase/search for?

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