Seiko CAL. 6R20 - Manual (Page 23)

English
23
SPECIFICATIONS
1 Features ............................................................ 6 hands, time display (Hour, minute and second hands),
day and date display, power reserve indicator
2 Vibrations per hour ............................................ 28,800
3 Loss/gain (daily rate) ......................................... +25 – 15 seconds at normal temperature range
(between 5°C and 35°C)
4 Continuous operating time ................................ More than approx. 45 hours
5 Driving system .................................................. Automatic winding type with manual winding
mechanism
6 Jewels ............................................................... 29 jewels
* The accuracy above is factory adjusted.
** Due to the characteristics of mechanical watches, any actual daily rate may not fall within the range of
time accuracy specified above dependent on the conditions of use, such as the length of time during
which the watch is worn on the wrist, temperature, arm movement, and whether the mainspring is
wound up fully or not, etc.