Longines. An early and rare silver manual wind single button chronograph wristwatch

Longines. An early and rare silver manual wind single button chronograph wristwatch
Date: Circa 1915
Movement: Jewelled 13.33 manual wind, column wheel chronograph
Dial: White, black edged Arabic numerals, black outer 1/5th second divisions, subsidiary dials at 3 and 9 for seconds and 30 minute recording, blued steel Mercedes style hands with luminous inserts, centre chronograph hand
Case: Polished round hinged, wire lugs, single chronograph button via crown, No.2965009
Strap/Bracelet: Grey NATO strap
Buckle/Clasp: Steel buckle
Signed: Case, dial & movement
Size: 35mm
Accompaniments: Extract from the Archive