A GENTLEMAN'S SOLID SILVER LONGINES SWIVEL LUG "OFFICERS" WRISTWATCH CIRCA 1917 D: White enamel dial with applied Arabic numerals, subsidiary seconds. M: 15 jewel manual wind movement signed B&Co., signed Longines on the top plate, calibre 13.34. C: Circular hinged case with swivel lugs, inner cuvette, signed A.B, hallmarked & numbered, case diameter measures approx. 35mm. S: Leather strap.