Jewellery, Watches and Objects of Vertu

Swiss. A nickel trench watch with 24-hour dial and telephone shrapnel guard, circa 1915
Movement: jewelled lever escapement, manual winding.
Dial: white enamel, Arabic numerals, inner 24-hour indication, subsidiary seconds.
Case: nickel, hinged back, snap-on telephone shrapnel cover.
Signed: unsigned.
Dimensions: diameter 31mm. £100-£150