Heavy gold English observatory chronometer watch Circa 1930

A heavy English very fine 18 carat gold keyless wind open faced precision observatory chronometer watch with centre seconds, Hallmark for 1930.  3/4 Plate movement, English lever escapement, large gold screw compensation balance, freesprung blued balance spring., four screwed chatons.

White enamel dial with black Roman numerals, black outer 1/5 minute divisions, gold spade hands and centre seconds.
Polished hinged 18 carat gold case with monogram and case maker’s punch mark FT (Frederick Thoms).
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Diameter: 56 mm
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Weight: 156 g
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Signed: W. Batty & Sons, Manchester & Southport
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A very fine example of English precision watchmaking, by W. Batty & Sons, Manchester & Southport – its wearer carries the Kew certificate of 80,2 points along at all times, because it is engraved in the movement. The movement, the case and the elegant off-white dial are in outstanding condition.
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Contains circa 60 grams of 18 carat gold.
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Reference 0024000