Zenith Chronometer Grand Prix Paris with power reserve indication in original mahogany box

A rare Chronometer
Zenith
Grand Prix Paris
with power reserve indication
in original mahogany box with double-sided opening
with patented fine adjusting device, Patent 27541

Details
Dial
silvered
Roman numerals
outer five-minute divisions
power reserve indication
auxiliary seconds
blued spade hands
signed
good condition

Movement
1/2 plate movement
gilt
decorated
compensation balance with adjusting screws
Breguet balance spring
patented fine adjusting device, Patent 27541 Hermann Roost, St-Imier
ruby endstone for balance
polished screws
signed
The movement was professional overhauled, it is fully functional and running very well.

Case
brass
glass
mahogany box with key
box with double-sided opening
good condition with age traces of use
The watch is fully functional, is running very well and is in a good, used condition