("Early Spring") was one of 32  destroyers built for the Imperial Japanese Navy (IJN) in the first decade of the 20th century.

Design and description
The Kamikaze-class destroyers were improved versions of the preceding . They displaced  at normal load and  at deep load. The ships had a length between perpendiculars of  and an overall length of , a beam of  and a draught of . The Kamikazes were powered by two vertical triple-expansion steam engines, each driving one shaft using steam produced by four Kampon water-tube boilers. The engines produced a total of  that gave the ships a maximum speed of . They carried a maximum of  of coal which gave them a range of  at a speed of . Their crew consisted of 70 officers and ratings.

The main armament of the Kamikaze-class ships consisted of two 40-calibre quick-firing (QF)  12 cwt guns on single mounts; the forward gun was located on superstructure, but the aft gun was at the stern. Four 28-calibre QF three-inch 8 cwt guns on single mounts were positioned abreast the superstructure, two in each broadside. The ships were also armed with two single rotating mounts for  torpedoes between the superstructure and the stern gun.

Construction and career 
Hatsuharu was launched at the Kawasaki Shipbuilding Corporation's shipyard in Kobe on 12 May 1906 and completed on 1 March 1907. The ship saw service in World War I and participated in the Siberian Expedition during the Russian Civil War. She was decommissioned on 1 December 1924. She was sunk as a target by planes from the aircraft carriers  and  on 13 August 1928.

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Kamikaze-class destroyers (1905)
1906 ships
World War I destroyers of Japan
Ships built by Kawasaki Heavy Industries
Ships sunk as targets
Shipwrecks in the Pacific Ocean
Shipwrecks of Japan