Vacheron & Constantin. A lady's 18K gold manual wind square wristwatch

Vacheron & Constantin. A lady's 18K gold manual wind square wristwatch
Date: Circa 1920
Movement: Jewelled Cal.153 manual wind, No.435159
Dial: Two-tone silvered, applied gilt baton hour markers, Arabic numeral quarters, gilt pointed baton hands
Case: Brushed and polished square, snap on back, No.279795
Strap/Bracelet: Brown lizard leather
Buckle/Clasp: 18K gold buckle
Signed: Case, dial & movement
Size: 18mm