Longines. An 18K white gold manual wind square wristwatch

Longines. An 18K white gold manual wind square wristwatch
Date: Circa 1930
Movement: Jewelled Cal.10.40 manual wind, No.4754566
Dial: Silvered, black Arabic numerals, inner minute track, subsidiary seconds at 6, polished lance hands
Case: Polished faceted square, snap on back, No.4754566
Strap/Bracelet: Black lizard leather
Buckle/Clasp: Polished steel buckle
Signed: Case, dial & movement
Size: 28mm