TUDOR watch. Heritage Chrono Blue in stainless steel case and bracelet. Synthetic sapphire crystal. 42mm case. Opaline and blue dial with two subdials. Screw-down winding crown. Bidirectional rotatable bezel. Self-winding mechanical movement, Calibre T401 with additional mechanism for chronograph function. Approximately 42 hour power reserve. Date. 150M waterproofness.