Swiss Chronograph Mechanism, 1860-1880

Swiss independent centre seconds chronograph movement, 1860-1880

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Swiss independent centre seconds chronograph movement, 1860-1880
Science Museum Group
© The Board of Trustees of the Science Museum

Swiss independent centre seconds chronograph movement, 1860-1880

Details

Category:
Time Measurement
Object Number:
1930-157
Materials:
enamel, brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 9 mm x 50 mm x 79 mm, .05kg
type:
calendar watch and instrument component
credit:
Mr. H. W. Ravenshaw