An Extremely Rare and Beautiful Multiscale Clamshell Chronograph Switzerland, 1940s
Original, multitone dial with outer tachymeter and inner telemeter scale, blued feuille hands
Stainless steel clamshell watch case with screw-in caseback, serial: 495464
36,5mm
High grade, Venus 175 calibre, 17 jewels
New, handmade Italian pigskin strap
