Seiko 5R65, 5R64 manual Specifications

English

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SPECIFICATIONS

1	Features	3 hands (Hour and Minute hands, Second hand or
		Small second hand), Date display, Power Reserve
		Indicator
2	Frequency of crystal oscillator	32,768 Hz (Hz = Hertz … Cycles per second)
3	Loss/gain	Within	15 seconds per month (equivalento to	1
		second per day) (If the watch is worn on your wrist
		within normal temperature range between 5o C and
		35o C.)
4	Operational temperature range	–10 o C ~ +60 o C
		Under a low-temperature condition (below 0 o C),
		always keep at least one-sixth of the watch power
		shown by the power reserve indicator.
5	Driving system	Spring Drive (Automatic type with manual winding
		function)
6	Hand movement	Glide-motion second hand
7	Continuous operating time	Approx. 72 hours (Approx. 3 days) *If the power
		reserve indicator shows the power supplied by the
		mainspring is full before starting the watch.
8	IC (Integrated Circuit)	Oscillator, frequency divider, and spring drive control
		circuit ( C-MOS-IC: 1 piece)
9	Jewels	5R64: 32 jewels, 5R65: 30 jewels

*The specifications are subject to change without prior notice for product improvements.