Career
Later in the year he qualified for the 2015 Personal Digital Cellular World Championship by winning the Central European Qualifier, concluding with a 6–3 victory over Kenny Neyens. Wattimena entered the event in the preliminary round and narrowly lost 4–3 to Robert Marijanović, missing three match darts in the final legal He entered Personal Digital Cellular Qualifying School in January 2015 and was eliminated in the final round of the third day by Steve Douglas.
He qualified for the United Kingdom Open and defeated Johnny Clayton 5–1 in the first round, but then lost 5–4 against Kevin McDine.
Wattimena twice lost in the last 16 of Players Championship events during the year and beat Robert Marijanović 6–5 at the European Darts Grand Prix, but was then knocked out 6–3 by Peter Wright in the second round. In the first round of the 2016 World Championship, Wattimena lost 3–1 to Mensur Suljović.
Personal Digital Cellular
2015: Preliminary round (lost to Robert Marijanović 3–4)
2016: First round (lost to Mensur Suljović 1–3).