iwc PORTUGIESER PERPETUAL CALENDAR TOURBILLON Operating Instructions Manual page 11

— 1 1 —
F U N C T I O N S O F
T H E C R OW N
0 1 2
Normal position
0 —
Setting the calendar
1 —
Time setting
2 —
N O R M A L P O S I T I O N
With the crown in the normal position
(0), you can also wind the automatic
movement by hand. A few revolutions
of the crown in a clockwise direction
are enough to start the movement.
P O R T U G I E S E R P E R P E T U A L C A L E N D A R T O U R B I L L O N