Marconi. An early gilt metal manual wind single button chronograph wristwatch

Circa 1925

Date: Circa 1925
Movement: Jewelled manual wind, column wheel chronograph
Dial: White, black Arabic numerals, black outer 1/5th second divisions, subsidiary seconds at 6, blued steel hands, centre chronograph hand
Case: Polished round, snap on back, single chronograph button at 2
Strap/Bracelet: Brown lizard leather
Buckle/Clasp: Plated buckle
Signed: Case signed Rolex, dial & movement signed Marconi
Size: 30mm