A timepiece with a calendar mechanism has a first date indicator provided with numbers for indicating the ones place of a date, and a second date indicator provided with numbers for solely indicating the tens place of the date and numbers for singly indicating the one-digit date. The first date indicator has 12 calendar feeding teeth formed as inner teeth. The calendar feeding teeth comprise first to tenth calendar feeding teeth spaced apart angularly in a first direction, an eleventh calendar feeding tooth arranged at an angular interval in a second direction opposite to the first direction relative to the first calendar feeding tooth, and a twelfth calendar feeding tooth arranged at an angular interval in the first direction relative to the eleventh calendar feeding tooth. The second date indicator has at least one window portion for displaying the ones place using the numbers of the first date indicator.