British Special Forces Wrist Compass by Barker & Son

A rare original British Special Forces Wrist Compass by Barker & Son constructed in steel, with the outer casing stamped with the war department logo and REF No: 6B/2593 Serial No: II 835B/58 with the letter P below measuring 38.1mm in diameter.  One of the khaki webbing straps is missing, overall the wrist compass is in good working condition.