An Extremely Rare and Beautiful Multiscale Clamshell Chronograph Switzerland, 1940s
Original, black dial with outer telemeter and inner tachymeter scale, steel hands
Stainless steel clamshell watch case with screw-in caseback, serial: 394344
36,5mm
High grade, Venus 175 calibre, 17 jewels
New, handmade Italian pigskin strap
