A timepiece with calendar function including a dial having a tens digit display aperture for displaying the tens digit of the date and a ones digit display aperture for displaying the ones digit of the date, and a calendar mechanism that displays the date by presenting specific numerals through the dial. The calendar mechanism includes a ones display wheel having ones markers whereby the ones digit is displayed through the ones digit display aperture, a tens display wheel having tens markers whereby the tens digit is displayed through the tens digit display aperture, a ones drive mechanism that drives the ones display wheel, and a tens drive mechanism that drives the tens display wheel. The tens markers include normal tens markers that display only the tens digit in the tens digit display aperture, and a two-digit display marker that displays a tens digit in the tens digit display aperture and a ones digit in the ones digit display aperture.