Seiko 7K52 User Manual

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.