Jewellery, Watches and Objects of Vertu

Rolex. A silver trench watch, circa 1917.
Movement: manual winding, lever escapement, 15 jewels.
Dial: black enamel, Arabic numerals, subsidiary seconds.
Case: silver, hinged back, no. 747218, London import mark for 1917.
Signed: case and movement.
Dimensions: diameter 31mm.
£150-£200