Seiko 7K52 manual Accuracy of the alarm ± 1 minute

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		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.

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