Seiko 4R36 Manual - Page 10

English 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 4R35. 4R36, 7S26, 7S36: More than approx. 41 hours 4 Driving system 4R15, 4R16, 7S26, 7S35, 7S36: Automatic winding type 4R35, 4R36: Automatic winding type with manual winding mechanism 5 Jewels 4R15, 4R16: 22 jewels 4R35, 7S35, 7S36: 23 jewels 4R36: 24 jewels 7S26: 21 jewels 6 Magnetic resistance 4,800 A/m (60 gauss) 7 Water resistance Water resistant up to 200 meters The watch is suitable for scuba diving. * The specifications are subject to change without prior notice for product improvement. 18