Characteristics Of A Mechanical Watch; Names Of The Parts - Seiko 4R35 Instructions Manual

CAL. 4R35/36/37/38/39

CHARACTERISTICS OF A MECHANICAL WATCH

(self-winding type, automatic winding type)
● This mechanical watch operates using power obtained from a mainspring.
● If the watch is completely stopped, manually turn the crown approximately 20
times to wind up the mainspring to start the watch.
● While loss/gain of a quartz watch is indicated by a monthly or annual rate, accuracy
of a mechanical watch is normally indicated by a daily rate (loss/gain per day).
● Normal usage accuracy of a mechanical watch varies according to conditions of
use (time period that the watch is worn on the wrist, temperature environment,
hand movement, and winding state of the mainspring).
● When the watch is affected by strong magnetism, it temporarily gains or loses
time. If the watch encounters a strong magnetic field, the parts of the watch may
be magnetized. In this case, repairs such as removal of magnetism are required.
Contact the retailer from whom the watch was purchased.
4

NAMES OF THE PARTS

● 4R35
Hour hand
Minute hand
60
CROWN
a b c
30
Date
Second hand
CROWN
a) Normal position : winding up the mainspring (manual operation)
b) First click position : date setting
c) Second click position : time setting
● 4R37
Hour hand
24-hour hand
Minute hand
CROWN
a b c
Second hand
Date
5