TISSOT SONORUS PR 516 REF. 40514, '70S
Three body tonneau stainless steel case, bidirectional bezel with 60 minutes graduation, screw back stamped 40514-3X, double crown. Tissot steel bracelet with deployant clasp.
Signed silver dial, applied bâton indexes, minutes/seconds division on the reheat, inner hour ring for the alarm. Bâton hands, centered seconds.
Signed manual winding movement, nickel-plated caliber AS 1475, n. 12597166, 17 jewels, dustcover bell, lever escapement, monometallic balance, flat hairspring, Incabloc shock-absorber.
Diameter Ø: 36 mm