But some commentators have accused him of being a bit too casual at times - and he certainly fell to a loose stroke on Friday when he popped up a catch to short-leg off Australia's admirable, though injured, spinner Nathan Hauritz.
Watson reached his 15th Test half century from 95 deliveries in the 30th over but once again the barrel-chested opener fell short of a three-figure score when he misjudged a reverse-swinging delivery, offering no stroke to a ball which moved back into his pads.
Trott reached his second Ashes century in as many Ashes appearances on the stroke of lunch, after which Ponting indicated to the umpires he had cleanly caught Cook at short mid-wicket off Xavier Doherty with the score 457-1.