Case size: (approx.
) diameter 56.
8 x thickness 19.
8 mm body weight: (approx.
) 71 g functions: time display (hours, minutes, seconds), 12/24 time display switching, calendar display (day, day of the week), stopwatch (maximum measurement time: 59 minutes 59 seconds 99), alarm (on/off setting possible), time signal (on/off setting possible), el light accuracy: average monthly difference within ±20 seconds ( analog), within ±60 seconds (digital) note: analog clock and digital clock machines are not linked, so the accuracy is different.