Specifications - Seiko 4R15 Instructions

SPECIFICATIONS

1 Vibrations per hour ..................... 21,600
2 Operational temperature range .. Between -10 ºC and 60 ºC (Between 14 ºF and 140 ºF)
3 Continuous operating time ......... 4R15, 4R16: More than approx. 50 hours
4 Driving system ........................... 4R15, 4R16, 7S26, 7S35, 7S36: Automatic winding type
5 Jewels ....................................... 4R15, 4R16:
6 Magnetic resistance ................... 4,800 A/m (60 gauss)
7 Water resistance ......................... Water resistant up to 200 meters
* The specifications are subject to change without prior notice for product improvement.
18
4R35. 4R36, 7S26, 7S36: More than approx. 41 hours
4R35, 4R36: Automatic winding type with manual winding mechanism
22 jewels
4R35, 7S35, 7S36: 23 jewels
4R36: 24 jewels
7S26: 21 jewels
The watch is suitable for scuba diving.