It's Mercedes' fifth one-two of the season.
"It's part of racing and we'll come back stronger."
"It was definitely my best race ever."
Vettel was more than seven-tenths of a second slower than Hamilton.
Testing continues this week, with the Australian GP opener in mid-March
Hamilton becomes the first driver to score more than 400 points in a season.
Only Michael Schumacher has won more F1 championships.
Hamilton has a 70-point lead over Sebastian Vettel.
He is now only 20 victories off Michael Schumacher's all-time record.
Mercedes-AMG locks out the front row in Suzuka.
Valtteri Bottas "was a real gentleman to let me by."
Another disappointing weekend for Vettel and Ferrari.
Fifth victory in a row for Mercedes at Monza.
After 12 races, Hamilton has 213 points to Vettel's 189.
Vettel crashed out in the rain on lap 52.