Longines Pilot watch “Weems”

A Fine And Rare Oversized Silver Pilot’s Wristwatch With Center Seconds And Weems Seconds Setting System, steel case signed Longines, Weems Angle Hour Model, Circa 1940.
Cal. 18.69 N nickel-finished lever movement, 15 jewels, bi-metallic compensation balance.
Hinged silver cuvette, white enamel chapter ring with Arabic numerals, centered by a silvered matte disc calibrated for the seconds, rotated when the crown is extended, blued steel moon-style hands, center seconds, large circular case.
Fixed lug bars, oversized ball-shaped crown, downturned lugs, hinged back.
Case, dial and movement signed, case and movement numbered.

The watch is accompanied by the official “Extract from the Archives” Year: November 1951 produced for the company Puerta agent for Colombia.