BREGUET ET FILS | A FINE SILVER "GARDE-TEMPS" POCKET CHRONOMETERBEGUN IN 1823 AND COMPLETED IN 1831, NO.4196

• Movement: gilt-brass three-quarter plate, Earnshaw-type spring detent escapement, bi-metallic compensation balance with large timing screws and parachute suspension, blued steel helical spring, winding square with pipe, going barrel, signed Breguet et Fils, Hgers de la Marine Royale, no.4196, frosted gilt-metal cuvette with winding aperture, signed Breguet Horger de la Marine Royale. no.4196• Dial: silver, two overlapping large dials for time with subsidiary seconds beneath, blued steel hands, signed Breguet et Fils, No.4196• Case: plain silver, gold hinges, case maker's mark LJ (Louis Joly), signed and numbered B, 4196, additionally numbered 525