Ca. Ø52.5mm, ca. 115g, very solid silver case with pink gold hinges, à-goutte, case number 202728, movement number 83555, early Ankerchronometer movement, especially large balance, extremely long regulator arm, wolf's toothing, moustache lever, signed and numbered, signed enamel dial, blued steel hands, overall in very good condition, in working order. The extract from the archives certifies the rare 19''' Ankerchronometer movement and the date of delivery 1889.