Longines, a gentleman's gold automatic wristwatch, mid 20th century, the rectangular white enamel

Longines, a gentleman's gold automatic wristwatch, mid 20th century, the rectangular white enamel dial with black Arabic numeral indicators and blue steel hands, to a plain rectangular gold case and black leather strap, case width 2.4cm, dial signed Longines, case back numbered 4555632, interior with French sponsor's mark, automatic movement