Lot 385

Jacot-Burmann á Bienne / Léo Aeby, Madretsch, Movement No. 144, Case No. 31909, 50 mm, 106 g, circa 1892
A gentleman's unusual pocket watch with patented chronograph and 30 min. counter "Nouvelle montre chronographe" Swiss patent no. 32 & 21
Case: silver. Dial: enamel, "Breveté No. 32" ("Nouvelle montre chronographe"). Movm.: bridge movement, "Brevet No. 32 + 21 + 3310", gold screw compensation balance.

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