Black Starr & Frost. A Lady's Platinum and Diamond-Set Keyless Lever Pendant Watch with Matching Pendant

Black Starr & Frost. A Lady's Platinum and Diamond-Set Keyless Lever Pendant Watch with Matching Pendant
Signed Black Starr & Frost, Movement 12, 387, Circa 1925
Nickel-finished jewelled lever movement, bimetallic compensation balance, platinum dust cover, white enamel dial, Arabic numerals, outer calibrated minute track, circular case, open work diamond-set back, diamond-set bezel and bow, platinum and diamond-set pendant, cuvette and dial signed
22.5mm diam.