Seiko Group ER3500 - Manual (Page 80)

78
Proper Use
To ensure a long and useful life from this precision electronic instrument, do
not expose the unit to extreme heat or cold, water or other liquids including
spray cleaners or extreme pressure (such as carrying in a back pocket).
Doing any or all of these things may render the unit inoperable and
invalidate the warranty.
Specification
Display: 16 characters x 1 line
Temperature range: 0
°
C to +40
°
C (32
°
F to 104
°
F)
Batteries: AAA x 2 pcs.
Battery life: approx. 300 hours (continuous use)
Automatic power off: approx. 3 minutes
Size: 127 (W) x 100 (H) x 29 (D) mm
Weight: approx. 140g (including batteries)
* Specifications may change without notice due to our policy of continual
product improvement. / The life of the batteries will vary depending on how
the unit is used.