Longines
Precision counter-clock, power reserve, stop-seconds, calibre 21.29; “Chronomètre”; mahogany and brass

Brass, open-face, keyless-winding, round-shaped, precision counter-clock with screwed bezel, mounted on a stand in a mahogany two-body hinged rectangular-shaped box, with stop-seconds feature for exact setting (at 4 o’clock); silver colour dial with subsidiary seconds at 6 and one horological complication:
• 36-hour power-reserve indication (sector at 12 o’clock)

19’’’, gilded brass, going barrel, gold screwed-chatons (setting), straightline lever escapement, compensated brass-Invar Guillaume balance and
blued steel hairspring with terminal curve, polished steel index-regulator with swan-neck spring and precision-regulating device for fast / slow by means of an eccentric snail.

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