Career
In 1990 he signed with Hull KR for the 1990/91 season. He returned to England the next winter to play for the Halifax RLFC. In 1992 he began an association with Bradford Northern that lasted three seasons. Dave Watson played fullback in Bradford Northern"s 15-8 defeat by Wigan in the 1992-1993 Regal Trophy final during the 1992-1993 season at Elland Road, Leeds on Saturday 23 January 1993.
In 1993 Watson returned to Taranaki and played in the North Island Second Division.
This made him eligible to participate in the Kiwi trials that year and he was selected for the series against Australia. In 1994 Watson began playing in the Australian competition, spending time with the Cronulla Sharks, Sydney Tigers, Gold Coast Chargers and South Queensland Crushers.
In 1998 he returned to England, joining the Sheffield Eagles. In 1998 Watson, along with fellow 1989 Kiwi Whetu Taewa, Watson played stand-off/five-eighth in Sheffield Eagles" 17-8 victory over Wigan in the 1998 Challenge Cup final during Super League III at Wembley Stadium, London on Saturday 2 May 1998.
Watson was a Taranaki and Auckland representative before being selected to represent New Zealand Māori in the 1986 Pacific Cup.
He again represented the Māori against Great Britain in 1990. Watson was selected for the New Zealand Kiwis in 1989. He went on to make 15 appearances for the Kiwis, his last being in the 1993 test series against Australia.
In 2008 he was named in the Taranaki Rugby League Team of the Century.