Seiko SRPK20 Owner Manual - Page 14

Specifications

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English 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 7 Magnetic resistance 4,800 A/m (60 gauss) • The specifications are subject to change without prior notice for product improvement. 26

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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
7
Magnetic resistance
...........................................
4,800 A/m (60 gauss)
•
The specifications are subject to change without prior notice for product improvement.