Minute repeater on bells. Tub, base and lid guilloched, 1 brand stamp Borel Fils & Cie (1913), 1 Swiss stamp, 1 Russian 56 gold stamp, No. 106072, engraved dust cover: "Repétition à quarts et minutes 22 Rubis Qualité Supérieure Borel Fils & Cie No. 106072". Movement: Bridge caliber made of nickel-plated brass, anchor escapement, balanced balance, Brequet balance spring, Borel Fils % Cie Neuchâtel engraved on a bridge, bow winding, hand setting with lever. D: 52.8 mm, H: 10.6 mm, weight: 87 g
Prof. André Curtit wrote in his expertise: "Piece of good quality in working condition". Since then the watch has been kept in a display case. The current function has not been tested.