Sinclair 'Black Watch' with LED display

Made:: 1976 in St Ives

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This image is released under a CC BY-NC-SA 4.0 Licence

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License this image for commercial use at Science and Society Picture Library

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This image is released under a CC BY-NC-SA 4.0 Licence

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Science Museum Group Collection
© The Board of Trustees of the Science Museum

Quartz watch with LED display, Sinclair 'Black Watch, with attached control unit, step-down transformer and display stand, and watch kit by Sinclair Radionics Limited, St Ives, Cambridgeshire, England, 1975-1976. Plastic case and batteries missing.

Details

Category:: Time Measurement

Object Number:: 1977-179/1

Materials:: paper (fibre product), plastic (unidentified), copper (alloy), aluminium alloy, solder, steel (metal) and electrical components

Measurements:: overall: 135 mm x 150 mm x 160 mm, 0.505kg

type:: quartz led digital wristwatch

credit:: Sinclair Radionics Limited

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Parts

Step-Down Transformer from Sinclair 'Black Watch'

Step-down transformer from quartz watch with LED display, Sinclair 'Black Watch by Sinclair Radionics Limited, St Ives, Cambridgeshire, England, 1975-1976.

Materials:: plastic (unidentified) and metal (unknown)

Object Number:: 1977-179/1/1

type:: transformer

Sinclair 'Black Watch' with LED Display

Quartz watch with LED display with attached control unit, Sinclair 'Black Watch by Sinclair Radionics Limited, St Ives, Cambridgeshire, England, 1975-1976.