Lady's Art Deco Platinum and Diamond Cocktail Watch

Lady's Art Deco Platinum and Diamond Cocktail Watch
Maker: Rotary
Model/Type: Cocktail
Date: c.1930's
Movement: Mechanical, hand-wound
Dial: Silvered, outer Arabic numerals, inner minute track, black hands
Case: Platinum, integral diamond-set bezel, wire lugs, engraved sides, hinged case-back
Strap: Later black leather, gilt pin-buckle
Size: 14.5 x 25mm
Accompaniments: None