Seiko 4R36 - Manual (Page 14)

English
26
SPECIFICATIONS
1 Features
4R35............................................................. 3 hands, time display (Hour, minute and second hands),
and date display
4R36............................................................. 3 hands, time display (Hour, minute and second hands),
day and date display
4R37............................................................. 4 hands, time display (Hour, minute, second and 24-
hour hands) and date display
4R38............................................................. 3 hands, time display (Hour, minute and second
hands)
4R39............................................................. 4 hands, time display (Hour, minute, second and 24-
hour hands)
2 Vibrations per hour .............................................. 21,600
3 Operational temperature range ........................... Between -10 ºC and 60 ºC (Between 14 ºF and 140 ºF)
4 Continuous operating time ................................ More than approx. 41 hours
5 Driving system .................................................... Automatic winding type with manual winding
mechanism
6 Jewels
4R35............................................................. 23 jewels
4R36, 4R37, 4R38 and 4R39........................ 24 jewels
• The accuracy above is factory adjusted.
• Due to the characteristics of mechanical watches, any actual daily rate may not fall within the range of
time accuracy specified above dependent on the conditions of use, such as the length of time during
which the watch is worn on the wrist, temperature, arm movement, and whether the mainspring is
wound up fully or not, etc.