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How was it made? Watchcase
The video shows Martin Matthews making an outer case for an 18th-century watch.
His family have been making watchcases for nearly 200 years.
The watch and inner case were made in London in 1769.
Martin Matthews will make an outer case.
He takes a measurement of the existing inner watchcase and uses it to mark and cut out a circle in silver sheet.
He hammers the silver disc into a domed shape and turns it on a bow lathe.
The bezel or front of the watchcase is made in the same way.
The centre is cut out of the bezel.
Square wire is shaped into a circle and the two ends are joined together.
The wire edge is shaped.
It is attached to the bezel with binding wire and soldered in place.
A fine moulding is turned on the bezel.
Jointing or tube for the hinge is made by hammering the edges of flat sheet silver.
This tube is pulled through successively smaller holes in a draw-plate.
The tube is cut to size, placed into position and soldered.
It now forms a hinge.
The catch, called a lock spring catch, is made in steel.
It is fixed in place using a silver rivet.
Martin Matthews' maker's mark is struck on the outer case.
The watchcase is polished using jeweller's rouge, a finely ground iron oxide.
The watchcase is finished.