Silver cased slow beat lever by Thomas Yates

A small silver pocket watch, with an interesting slow beat lever movement, made by Thomas Yates of Preston

MOVEMENT : Signed and numbered (4261). Slow beat lever fusee movement, with diamond endstone and polished gold balance wheel. The movement is protected by removable gilt dust ring.

Very good condition throughout and running well.

The slow beat is achieved by the unusual train counts and a heavy balance wheel.

DIAL : White enamel dial, signed.

In very good condition except for the small chip on the edge at 6 and a short hairline, also on the edge at 3.
Nice matching gold coloured hands.

CASE : Silver. Hallmarks for Chester, 1867, maker SQ (Samuel Quilliam of Liverpool), case number 17851. Gold hinges and central cartouche (worn) to the back.

In good condition, with no dents, but wear to the engraving and milled edge.
The crystal is fine.

Thomas William Yates patented a variety of slow beat watches between about 1846 and 1880, with beat speeds ranging from 7200 to 11200. This example beats at 10800 beats per hour.

The case maker, Samuel Quilliam, was commonly used by Yates.