English half hunting cased lever with power reserve Circa 1907

Gold half hunter with power reserve indication by Thomas Russell
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An English 18 carat gold half hunting cased lever with power reserve indication, Hallmarked Chester 1907. Gilt 3/4 plate keyless movement with going barrel, engraved cock with polished steel regulator, compensation balance with blue steel overcoil hairspring, English table roller lever escapement, escape and lever pivots with endstones. Gold cuvette. Signed engine turned silver dial with Arabic numerals, subsidiaries for power reserve and seconds,blue steel hands. Plain case, the front cover with an unusually large glazed aperture, blue enamel chapter ring. Maker’s mark TR in a rectangle and number corresponding to that on the movement. Brown morocco covered case with easel stand.
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Diameter: 52 mm
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Signed: Thomas Russell & Son Makers to Queen Victoria Liverpool
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An unusual and attractive watch. The hallmarks on the front lid show the watch was originally designed for a large opening. The inclusion of power reserve in a watch with going barrel is not common as the mechanism is more complex than when included on a fusee movement. Russell’s use a form of worm gear set into the top plate to achieve it.