细节
An unusual nickel cased bomb timer, first half 20th Century,
grey dial signed Indicateur B.C.V., J.Vial-Paris, outer seconds ring divided into fifths, inner calibration from 5-60, subsidiary minute recording dial, single hand, the movement allowing the hand to move clockwise, on depressing the plunger the movement is halted and then the movement can be engaged to run anticlockwise, revolving scallop edged bezel with fixed pointer, case with four wire lugs and snap on back, diameter of bezel 62mm.
grey dial signed Indicateur B.C.V., J.Vial-Paris, outer seconds ring divided into fifths, inner calibration from 5-60, subsidiary minute recording dial, single hand, the movement allowing the hand to move clockwise, on depressing the plunger the movement is halted and then the movement can be engaged to run anticlockwise, revolving scallop edged bezel with fixed pointer, case with four wire lugs and snap on back, diameter of bezel 62mm.