An electronically controlled mechanical watch, comprising: A mechanical energy source; a time indication device including a time indication wheel train configured to indicate a time using a transmitted torque of the mechanical energy source; a circuit board on which a crystal oscillator, an electronic control circuit configured to adjust a rotation speed of the time indication wheel train based on an oscillation frequency of the crystal oscillator, and a plurality of logical regulation setting patterns (510, 520, 530, 540) are disposed; and wherein the electronic control circuit includes: an oscillation circuit configured to oscillate the crystal oscillator; a frequency divider circuit configured to divide an oscillation signal output from the oscillation circuit and output a reference signal; characterized in that the electrically controlled mechanical timepiece further comprises a rotary switch including a conduction portion configured to conduct to the plurality of logical regulation setting patterns (510, 520, 530, 540), the rotary switch being configured to rotate with respect to the circuit board to select a logical regulation setting pattern, of the plurality of logical regulation setting patterns, conducting to the conduction portion, and in that the electronic control circuit includes a logical regulation circuit configured to control the frequency divider circuit based on a conduction state of the conduction portion and the logical regulation setting pattern. A mechanical energy source; a time indication device including a time indication wheel train configured to indicate a time using a transmitted torque of the mechanical energy source; a circuit board on which a crystal oscillator, an electronic control circuit configured to adjust a rotation speed of the time indication wheel train based on an oscillation frequency of the crystal oscillator, and a plurality of logical regulation setting patterns (510, 520, 530, 540) are disposed; and wherein the electronic control circuit includes: an oscillation circuit configured to oscillate the crystal oscillator; a frequency divider circuit configured to divide an oscillation signal output from the oscillation circuit and output a reference signal; characterized in that the electrically controlled mechanical timepiece further comprises a rotary switch including a conduction portion configured to conduct to the plurality of logical regulation setting patterns (510, 520, 530, 540), the rotary switch being configured to rotate with respect to the circuit board to select a logical regulation setting pattern, of the plurality of logical regulation setting patterns, conducting to the conduction portion, and in that the electronic control circuit includes a logical regulation circuit configured to control the frequency divider circuit based on a conduction state of the conduction portion and the logical regulation setting pattern. an oscillation circuit configured to oscillate the crystal oscillator; a frequency divider circuit configured to divide an oscillation signal output from the oscillation circuit and output a reference signal; characterized in that the electrically controlled mechanical timepiece further comprises a rotary switch including a conduction portion configured to conduct to the plurality of logical regulation setting patterns (510, 520, 530, 540), the rotary switch being configured to rotate with respect to the circuit board to select a logical regulation setting pattern, of the plurality of logical regulation setting patterns, conducting to the conduction portion, and in that the electronic control circuit includes a logical regulation circuit configured to control the frequency divider circuit based on a conduction state of the conduction portion and the logical regulation setting pattern.