A RARE VINTAGE MEN'S LONGINES STAINLESS STEEL MANUAL WRISTWATCH.

Date: 25 June 1943
Case reference: 5190 sold to Cabri, which was at that time our agent for Egypt
Movement: Signed Longines, manual, Cal. 12.68N, No.648XXXX
Dial: Signed, silvered, tritium applied Arabic numerals, black outer minute division, blued hands with tritium insert, blued centre seconds hand, signed "Swiss" at the 6 o'clock position
Case: Signed, stainless steel, screw down back, No.22308/112
Strap: Generic leather
Size: 33.5mm

Interestingly, the batch number "112" present on the caseback is also stamped underneath the top left lug.
The practice of repeating the batch number or part of the case number (usually the last 3 digits) on the case body was sometimes adopted by casemakers in order to univocally link case and caseback.