Seiko 7K52 manual Accuracy of the alarm ± 1 minute

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English

		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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Contents Cal K52 English English English Contents TIME/CALENDAR SINGLE-TIME AlarmDiving Measurement Crown Screw lock type Small second handHOW to USE the Screw Lock Type Crown To unscrew the crown To screw in the crownTIME/CALENDAR Setting Adjusting the Hand Position Before Diving Press repeatedly until you hear a long beepHOW to Read the Measurements Diving MeasurementHOW to USE the Diving Function Press button B repeatedlyCase Rapid ascent warningRapid Ascent Warning Beep BeepExtra Measurement Range Warning Limit Abnormal Measurement / Measurement Halt WarningEnglish Recall of LOG Data Log data of the last diveLog data of the dive before last Diving hands at PositionRotating Bezel SINGLE-TIME Alarm Alarm Time SettingPrecautions for Diving Before DivingWhile Diving After Diving TIME/CALENDAR Setting Adjusting the Hand Position Before DivingExtra measurement range warning How to read the measurementsHow to use the diving function Remarks on the indication of MAX.DEPTH and Depth hands Recall of LOG DataAbnormal measurement / measurement halt warning SINGLE-TIME Alarm Battery Life Indicator Battery ChangeEnglish Necessary procedure after battery change HOW to USE the Diver Extender To extend the band lengthSpecifications Accuracy of the alarm ± 1 minute