Seiko 7B24 Manual page 61

PressButtonAtoset
2
thedate.
OnedayAdvance PressButtonAonceandthenreleaseit.
 
Continuous
WhenButtonAiskeptpressedfortwoseconds
orlonger,thedatewillstarttomove.
Advance
PressButtonAagaintostop.
※Adjustthedatebyadvancingthedate.Thedatecannotbereverselymoved.
※ T h e  d a t e  w i l l  n o t
move by turning the
crown.
※ D uring movement of
the date, the button
cannotbeoperated.
Pushthecrownbackin.
3
Operationhasbeencompleted.
※ W henthecrownis
a screw lock type,
lockit.→page91
141