Important Modern and Vintage Timepieces

Geneva, Mar 27, 2011

LOT 480

Mimo ? Watch with Single Button Instantaneous Tac hometric Timer Mimo (Graef & Co., La Chaux-de-Fonds), case No. 904389. Made in the 1930s. Fine and very rare, rectangular stainless steel wristwatch with single-button instantaneous tachometric timer, register and tachometer graduation.

C. Two-body, polished and brushed, curved bezel and stepped sides, straight lugs, snap-on back, depressing the crown resets the seconds and 30-minute register for timing an event. D. Brushed silver with black Arabic numerals, outer minute track, subsidiary seconds dial in the lower half with tachometer graduation on the edge, 30-minute register in the upper half. Blued steel hands. M. Cal. 70G, 8???, tonneau-shaped, rhodium plated, 15 jewels, straight-line lever escapement, cut bimetallic compensation balance, blued steel flat balance spring, index regulator. Dial signed, case numbered. Dim. 40.5 x 22 mm. Thickness 9 mm.