1918 silver trench watch with Bonklip bracelet. GWO !

High quality WW1 era trench watch/wristlet.
Fountainmelon 15-jewel movement bearing the 'Visible' trademark
registered by Arnold Bouverat-Jobin & ses fils; Visible Watch Co.; Les Breuleux; Switzerland.
Full working order, with compensated bi-metallic balance.
Solid silver case is in very good condition, hallmarked London 1918,
with a rare narrow Bonklip bracelet (and stamped Bonklip).
Excellent dial and crystal....only missing the minute hand.
Good running example.