Launched in 1916, completed in 1916, displacement 740 (surfaced)-96- (submerged) tons, horsepower 1.100 (surfaced)-900 (submerged) hp, oil-fired internal combustion machinery (surfaced)-electric machinery (submerged) and an armament of 1-4.1“ gun, 1 machinegun, 2 torpedo tubes and 36 mines.
Source
Archive Dutch Naval Staff 1886-1942 (National Archive at the Hague, Netherlands) inventory number 155. Fleets (the British Empire and foreign countries) on 1 February 1923.