Balance spring with stud with collet

Marine chronometer balance spring with stud with collet. Marine chronometer which does not exist as a whole, but as parts numbered .1- .76

Object Details

ID: ZAA0246.20
Type: Balance spring with stud with collet
Display location: Not on display
Creator: Thomas Mercer Chronometers
Date made: 1979
Credit: National Maritime Museum, Greenwich, London
Measurements: Overall: 14 x 13 x 13 mm
Parts: Chronometer