The well-decorated Spanish coach says he will play his strongest side at Fifa's competition in 2013, and praises teams in La Liga for contributing so many talented players
The 61-year-old from Salamanca won the 2010 World Cup in South Africa and then the 2012 Euros in Poland and Ukraine, and believes his side will continue to compete on the international stage for years to come.
"This is the time of Spanish football," said Del Bosque, "that's what gives us hope to do well in the Confederations Cup and even the next World Cup.
"Be it friendly or official competition, we always want to have the best players. A Confederations Cup is important and we will play full-strength," he added.
The former Real Madrid coach also praised La Liga sides who had contributed players to the national set-up, saying: "The Spanish clubs have been important in the evolution of football in Spain.
"Real Madrid, Barcelona, Sevilla, and Villarreal have all have won major competitions and helped us a lot with that. We have joined forces and all found success."
But when asked if he thought if his record meant he was the best coach in the world, the former Madrid player replied: "It's an impossible question to answer.
"Nobody can say that one is better than the other. We have to take the best selection [of] successes, but who is the best, one cannot say," added Del Bosque, who is the only coach to win the Champions League, World Cup and then Euro titles.