Northern Goldsmiths Company. An important and rare 18 carat gold one minute tourbillon keyless half-hunter pocketwatch with Kew certificate

SIGNED NORTHERN GOLDSMITHS COMPANY NEWCASTLE-UPON-TYNE, NO. 2100, 1925

Details

Northern Goldsmiths Company. An important and rare 18 carat gold one minute tourbillon keyless half-hunter pocketwatch with Kew certificate
Signed Northern Goldsmiths Company Newcastle-upon-Tyne, no. 2100, 1925
The frosted gilt three-quarter plate movement jewelled to the centre, the three-armed steel carriage rotating once per minute with bimetallic balance, flat blued steel hairspring with endcurves and lever escapement, under glass cuvette, the cream enamel dial with Arabic numerals and subsidiary seconds with blued steel spade hands in plain heavy gold case with five piece hinges, Arabic chapter ring to the front cover with the original Class A certificate from the National Physical Laboratory, dial and movement signed, case and movement numbered
56 mm. diam.

Lot Essay

The Class A Kew certificate issued by the National Physical Laboratory for tests conducted on the watch between 15 May and 28 June 1920 certifies that the watch achieved 90.8 points, "especiallly good". Sidney Better made all the eight tourbillon watches sold by Northern Goldsmiths between 1917-1922, when he was at his peak. To have achieved 90.8 points "especially good" rating at Kew is an achievement indeed but in 1922 he went on to achieve 94.2 points with his No. 2134 which has scarcely been bettered by any maker.

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