"It was more of a grafting, hardworking hundred instead of a blazing one.
"The wicket was fairly inconsistent early on with regards to the spin.
"Sometimes it spun other times it didn't, especially with the newer ball so it was a bit of a challenge and I'm really chuffed to have stayed through and I'm happy about the way I've been able to expand my game."
Kieswetter is not part of the Test squad so will return to his county side Somerset for pre-season training.
Asked about the World Twenty20 in April and May he said: "I'm not trying to look too far ahead, I'm really looking forward to going back to Somerset, putting in some hard work in the indoor school and then pre-season hopefully some solid performances."
Kieswetter, who keeps wicket at for Somerset was asked whether he would like to take the gloves for England and said: "I'd love to but Matt Prior has done a fantastic job and really made the gloves his own. He has increased the standard of keeping throughout England so it's my job to be pushing him.
When quizzed as to whether those ambitions would extend to being behind the stumps in Test matches he said: "Test cricket is the pinnacle for all cricketers but Matty has done a fantastic job."
Meanwhile, skipper Alastair Cook was delighted to collect some silverware in his first series in charge.
"It's a lovely feeling, it was a good toss to win (for Bangladesh), starting at nine in the morning," he said. "I think that was the best Bangladesh have bowled in this series.
"The way we were patient and then caught up at the end when conditions got a little bit easier was a credit to the way we didn't panic, and we finished with a really good score."
Of Kieswetter's 107 Cook said: "He played a very sensible innings, probably slightly different from the way he normally plays, but you have to adapt in international cricket and someone who can do that in their third game has got a lot about them.
"They batted really well and we kept taking wickets at crucial times just to keep our noses ahead and it was a relief towards the end when we knew we'd got over the line."
Looking ahead to the two Tests, the first of which starts on 12 March, he said: "We'll enjoy tonight, these wickets are going to suit the spinners and we've got to combat them and score big runs to win the Test matches."
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