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Seth Thomas clock from Lighthouse

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Seth Thomas Clocks102 of 194Seth Thomas Nautical ClockWhen was this made, and what is it worth?
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Posted 4 years ago


(1 item)

I'm interested in any info about this clock and any idea its value for insurance purposes. I believe it was in a lighthouse and controlled the flashing beacon. It runs 6-7 days on a wind.


  1. Bruce99 Bruce99, 4 years ago
    Hi Snoopyfriend.

    Very nice piece of history.

    Your clock's case looks like a Seth Thomas Regulator No. 71 that was possibly adapted by the Geophysical Instrument Co. of Washington, D.C. for the lighthouse application you mention. That would be my guess.

    The Seth Thomas Regulator No 71 was from circa 1939 through 1948. It used the high grade, 8-day weight time movement Seth Thomas No. 68 regulated to 60 beats per minute with large keystone shaped plates, polished steel cut pinions, Graham dead-beat escapement, sapphire jeweled pallets and maintaining power.

    The S.T. Regulator No. 71 case measures 60 inches high and 18 inches wide with a 13 inch dial.

    Are those your clock's measurements? After all of that, I sincerely hope so! :)

    Thanks for sharing!

  2. Bruce99 Bruce99, 4 years ago
    Here's a link to one pictured online:

  3. Snoopyfriend, 4 years ago

    Your right on. The Measurementss match. The picture you send me the link looks just like it. I posted a picture with the door open. Thanx for the info
  4. Bruce99 Bruce99, 4 years ago
    You're very welcome Snoopyfriend! This was a seriously accurate clock for its time doing some seriously important work. I was pretty sure that NWClocks would really enjoy your post. He posted another Seth Thomas mechanical/electrical application. If you get a few moments check out his O.B. McCclintock Bank Clock at:


    Thanks again for posting your clock!



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