class of battleship built under Tirpitz's tenure. The Wittelsbachs were broadly similar to the Kaiser Friedrichs, carrying the same armament but with a more comprehensive armor layout. Wettin was long overall, with a beam of , and a draft of forward and aft. She displaced as designed and up to at full load. The ship was powered by three 3-cylinder vertical triple expansion engines that drove three screws. Steam was provided by six Thornycroft boilers and six cylindrical boilers, all of which burned coal. Wettins powerplant was rated at , which generated a top speed of . The ship could steam for at a cruising speed of . She had a crew of 30 officers and 650 enlisted men. Wettins armament consisted of a main battery of four 24 cm (9.4 in) SK L/40 guns in twin gun turrets, one fore and one aft of the central superstructure. Her secondary armament consisted of eighteen 15 cm (5.9 inch) SK L/40 guns and twelve 8.8 cm (3.45 in) SK L/30 quick-firing guns, all in individual mounts in casemates in the ship's hull and superstructure. The armament suite was rounded out with six torpedo tubes, all submerged in the hull; one was in the bow, another in the stern, and two on each broadside. The ship was protected with Krupp armor plate. In the central citadel that protected her magazines and propulsion machinery spaces, her armored belt was thick, tapering to toward the bow and stern. The deck armor was thick. The main battery turrets had of armor plating. Service history Construction – 1905 Wettins keel was laid on 10 October 1899, at the Schichau-Werke in Danzig, under construction number 676. She was ordered under the contract name "D", as a new unit for the fleet. Wettin was launched on 6 June 1901. King Albert of Saxony, a member of the House of Wettin, gave a speech at the ceremony. In August 1902, a crew of 60 men took the ship to Kiel for sea trials, which were supervised by KAdm Hunold von Ahlefeld. On 10 August, while at Swinemünde during the trials, Kaiser Wilhelm II reviewed Wettin from his yacht Hohenzollern. Wettin was commissioned on 1 October 1902, the first member of her class to enter service. Further sea trials were completed by January 1903 and she joined I Squadron, replacing the battleship . That year, the squadron was occupied with