The Wachtmeister was a Swedish Wrangel Class torpedo boat of 465 tons displacement launched in 1917. The Wachtmeister was powered by four Yarrow oil-fired boilers providing a top speed of 34 knots. She carried a complement of 81 and was armed with four 3 inch guns; one 25 mm anti-aircraft gun; two machine-guns and four 18 inch torpedo tubes arranged in two pairs. Research Wachtmeister
 
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