Swiss. A gunmetal open-faced calendar watch with moon-phases, circa 1900.
Movement: lever escapement.
Dial: enamel, Roman numerals, subsidiary dials for day, date, month and subsidiary seconds combined with moon-phases.
Case: gunmetal, gunmetal cuvette, no. 49587.
Signed: unsigned.
Dimensions: diameter 51mm.
Together with two further gun metal watches (3) £150-£200