Seiko Cal. 3M22 Instructions Manual page 18

Between 3 and 24
hours of power
Between 6 and 48
hours of power
* Full charge of the capacitor
When the second hand advances 30 seconds at a press of the button, the capacitor is
fully charged and the watch will keep operating for more than 3 days (Cal. 3M22/
4M21) / 7 days (Cal. 5M42/5M43). It can continue operating for a maximum of 7 days
(Cal. 3M22) / 4 days (4M21) / 14 days (Cal. 5M42/5M43) without recharging the
capacitor.
18
5 seconds
Between 1 and 2
days of power
reserve
Between 2 and 4
days of power
reserve
10 seconds
LO
Between 2 and 3
days of power
reserve
Between 4 and 7
days of power
reserve
20 seconds
Between 3 and
7 days
reserve
power reserve
Between 7 and
14 days of power
reserve
30 seconds*
/
(Cal. 3M22)
3 and 4 days
of
(Cal. 4M21)
reserve