Lemania. A stainless steel military issue "nuclear submarine" manual wind single button chronograph wristwatch

Ref: 35-64, Circa 1970
Lemania. A stainless steel military issue "nuclear submarine" manual wind single button chronograph wristwatch
Reference: 35-64
Date: Circa 1970
Movement: 17-jewel manual wind Lemania Calibre 22.20, No.1574098
Dial: Silvered, Tritium T within circle covered white, Broad Arrow, black Arabic numerals, black outer minute divisions with five minute markers, subsidiary dials at 3 and 9 for seconds and 30 minute recording, black pointed baton hands, centre chronograph hand
Case: Brushed and polished asymmetric form, screw down back, case back engraved '↑0552/924-3312 81202', single chronograph button at 2
Strap/Bracelet: Black calf skin
Buckle/Clasp: Steel buckle
Signed: Case, dial & movement
Size: 40mm