CERTINA Schaltradchronograph Argonaut, Handaufzug, Schweiz um 1970, Ref. 8401, Edelstahlgeh. inkl. orig. Lederband m. orig. Dornschl., Boden verschr., schwarzes Kontrastzifferbl. m. silb. Hilfszifferblättern, Tachymeterskala, Anz. v. Std., Min., kl. Sek. & Chronographenz., Werk rhod., 17 St., Kal. 29-063 (Valjoux 236), Ringunr., gebl. Breg.-Spir., Incabl., M. ca. 42 x 38 mm, EZ 2
CERTINA intermediate wheel chronograph Argonaut, manual winding, Switzerland around 1970, reference 8401, stainless steel case including original leather strap with original buckle, screwed down case back, black contrast dial with silvered sub-dials, tachometer graduation, display of hours, minutes, constant second & chronograph, rhodium plated movement, 17 jewels, calibre 29-063 (Valjoux 236), flat rim balance, Breguet balance-spring, incablock shock- absorber, measures approx. 42 x 38 mm, condition 2