Seiko 7K52 - Manual (Page 32)

English
32
Accuracy of the alarm:
±
1 minute
6 Battery ....................................................... Miniature lithium battery SEIKO CR2016, 1 piece
Battery life: approx. 2 years
7 Battery life indicator ................................... When the battery life nears its end, the small second hand
moves at 2-second intervals and the DEPTH hand points
to the 58-minute position before diving.
8 IC (Integrated Circuit) ................................. C-MOS-LSI, 2 pieces
Semiconductor pressure sensor, 1 piece
9 Accuracy of sensors
Water depth ............................................ Within
±
(Indicated value x 3.0% + 0.5 m) at a stable
temperature
[Influence of temperature change]
Within
±
1 m for a temperature change of 20
°
C
10 Magnetic resistance ................................... 4,800 A/m (60 gauss)
11 Water resistance ........................................ Withstands water pressure to a depth of 200 m and is
therefore suitable for scuba diving.
12 Safety design ............................................. The case, bracelet and buckle are rounded to prevent
damage to the diving suit or user’s skin.
* The specifications are subject to change without prior notice for product improvement.