Casio SF-7990 - Manual (Page 99)

97 E
Battery life: Approximately 1 year under the following test conditions:
Unit turned on one hour each day (5 minutes operation, 55 minutes
no operation), with two backlight operations, one Daily Alarm
operation per day and Hourly Time Signal turned on.
Auto power off: Approximately 6 minutes after last key operation
Operating temperature: 0
°C ~ 40°C (32°F ~ 104°F)
Dimensions:
Unfolded: 11.1H
× 145W × 178D mm ( 7
/
16
"H
× 5 11
/
16
"W
× 7"D)
Folded: 14.7H
× 145W × 91D mm ( 9
/
16
"H
× 5 11
/
16
"W
× 3 9
/
16
"D)
Weight: Approximately 130g (4.6 oz) including batteries
Specifications