Oyster Chronograph Anti-Magnetic, Ref:6234, Case No.688554, 1960's
17-jewel Valjoux Cal. 72 manual winding movement adjusted to three positions, monometallic balance, flat spring, circular silvered dial with tachymeter and telemeter scales enclosing applied polished baton numerals with luminous dots, subsidiary 30-minute and 12-hour registers and continuous seconds, polished hour and minute hands, blued sweep hand, polished and brushed tonneau screw back case with screw down crown and round pushers, Oyster bracelet of riveted links with deployant clasp, dated IV.64, case, dial and movement signed

35mm