Rare Seth Thomas Large Ships Bell Clock Forged Brass Case

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8 DAY CLOCK No. 66 – Ca 1948

Seth Thomas has been
noted for its ship’s clocks for well over 100 years, and in its early days, was the sole provider to the U.S. Navy


Presented is a very rare, vintage,
eight day, 11 Jewel movement, striking bell clock whose design introduction dates to 1921, and this one with
a movement signed and dated, 1948. It is the first we’ve had in this larger size, making it very rare and suitable
for presentation as an important gift. The No. 115 movement closely resembles, and is the equal of Chelsea’s
similar Ship’s Bell design, but with the added feature of the Seth Thomas patented self-correcting rack and snail ship’s bell
striking design. It is housed in a very heavy, forged bronze case with screw on bezel. It should not be mistaken for clocks
of lesser quality such as the more ubiquitous Merrimack, Mayflower, Helmsman or Corsair models, or those with a
German movement.

Partial left side view
11 Jewel 8 day bell movement

RECENT SERVICE: The clock has
been just serviced by a master clock smith, and the movement is keeping good time and rings ships’ bells in sequence
loudly, with a deep throaty resonance and an authoritative tone that is second to none.

This early version was the top of the Seth Thomas
line, and will make a suitable gift or worthy of inclusion in a collection of fine marine clocks

case with screw on, moisture resistant bezel. The six inch face has a five and one half inch viewable area. The acid etched
silver plated dial has  Arabic numerals and Copperplate lettering filled in black enamel. The precision 8 day, No.115
movement with 11 jewels has a compensated balance wheel and Breguet hairspring.


max diameter 7 1/4“ Bezel 3/4“
Dial 6 1/2“ visible area 5 1/2“ OA Depth 3 9/16”

Weight 8 lbs 11 Oz

Back. Plate removes to adjust hammer
Detail of the side and reproduced antique stand 


CONDITION: This internal bell clock is in especially
fine condition with a near blemish free face, and overall is in like new condition. It is running strong and keeping
good time compared to an accurate quartz watch, and is striking the bells each half hour in proper sequence. The case is in
great condition with only very minor handling marks on the bezel, and one black spot at the top back flange. The
bezel’s threads have a high spot and require careful alignment to seat all the way. We recommend it be wound about every
four days for best timekeeping.

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Shipping & Packaging

The cost of shipping, packing, handling, and insurance to your destination, will be calculated point to point and is an additional charge. You may email us to get these costs. We price our shipping honestly, but we expect to be reimbursed for the nominal cost of packaging materials and handling.

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If not completely satisfied with your purchase it may be returned, if without damage, within three days of receipt in its original packaging. Return items must be insured for their full value. Only a prior email authorization by us for the return is required. Shipping charges are refundable if due to our error within the continental United States.

International buyers welcome, but inquire first. We have satisfied customers worldwide.

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Established in 2003

Celebrating 18 Years of Exellence in Nautical Antiques

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