The invention relates to a bladder pressure measurement system and to a measurement method comprising a measurement capsule (1) that can be placed in the bladder of a living creature, in particular of a human being, and comprising a pressure sensor and measurement electronics, by means of which pressure measurement values provided by the pressure sensor can be captured and saved, comprising a probe device having a manually actuated probe, wherein the probe device and the measurement capsule comprise internal chronometers synchronized to each other or at least capable of being synchronized to each other and the measurement capsule (1) is designed to capture and save pressure measurement values together with time information from the chronometer thereof, and the probe device is designed to detect and save a probe actuation together with time information from the chronometer thereof.