Related Manuals for Seiko 7K52
Summary of Contents for Seiko 7K52
- Page 1 Cal. 7K52 INSTRUCTIONS BEDIENUNGSANLEITUNG (S. 33) INSTRUCTIONS ISTRUZIONI INSTRUCCIONES (P. 125) INSTRUÇÕES (P. 155) (185...
- Page 2 You are now the proud owner of a SEIKO Analogue Quartz Watch Cal. 7K52. For best results, please read the instructions in this booklet carefully before using your SEIKO Analogue Quartz Watch. Please keep this manual handy for ready reference.
- Page 3 CAUTION The SEIKO SCUBA DIVER’S Cal. 7K52 is intended for use in an inherently hazardous form of recreation. Therefore, it is absolutely essential that you observe strictly all instructions for the use and maintenance of the watch set forth in this booklet.
- Page 4 DO NOT ATTEMPT TO DIVE USING THE WATCH UNLESS YOU HAVE BEEN PROPERLY TRAINED IN SCUBA DIVING, POSSESS THE REQUISITE EXPERIENCE AND SKILL TO DIVE SAFELY, HAVE THOROUGHLY FAMILIARIZED YOURSELF WITH THE OPERATION AND MAINTENANCE OF THE WATCH, AND HAVE TESTED ALL WATCH FUNCTIONS PRIOR TO EACH DIVE.
-
Page 5: Table Of Contents
CONTENTS Page HOW TO USE THE SCREW LOCK TYPE CROWN ............. TIME/CALENDAR SETTING ..................ADJUSTING THE HAND POSITION BEFORE DIVING ..........DIVING MEASUREMENT ................... WARNING FUNCTION FOR DIVING ................RECALL OF LOG DATA ....................ROTATING BEZEL ...................... SINGLE-TIME ALARM ....................PRECAUTIONS FOR DIVING .................. - Page 6 CAL. 7K52 DIVING MEASUREMENT ● Full automatic measurement of diving data Current depth, maximum depth, diving time and time submerged ● Recording of log data Maximum depth, average depth, diving time and time submerged for the last two dives ● Warning functions •...
- Page 7 Rotating bezel 1/10 m hand Hour hand Minute hand ★ Water contact sensor CROWN [Screw lock type] Small second hand DIVING TIME hand DEPTH hand MAX. DEPTH hand Date Time submerged ★ Alarm time Pressure sensor is located under here. a: Screwed-in position b: Normal position c: First click...
-
Page 8: How To Use The Screw Lock Type Crown
HOW TO USE THE SCREW LOCK TYPE CROWN ● To unscrew the crown: ● To screw in the crown: Turn it counterclockwise. With the crown at normal position, turn it clockwise while pressing it. WARNING ● While you are underwater, never unscrew the crown or pull it out. ●... -
Page 9: Time/Calendar Setting
TIME/CALENDAR SETTING Hour hand Minute hand CROWN Unscrew. ▼ Pull out to first click and turn counter- clockwise to set the date. ▼ Pull out to second click when small second hand is at the “0” position. ▼ Set hour and minute hands. ▼... -
Page 10: Adjusting The Hand Position Before Diving
ADJUSTING THE HAND POSITION BEFORE DIVING Press repeatedly until you hear a long beep. ● With each press of button B, the indication of the diving hands changes as follows: Diving hands at Log data of Log data of the “0”... -
Page 11: Diving Measurement
DIVING MEASUREMENT ● The watch measures the current depth, maximum depth, diving time and time submerged, and indicates them with the four hands for diving measurement and the small hands at the 6 o’clock position. HOW TO READ THE MEASUREMENTS ●... - Page 12 HOW TO USE THE DIVING FUNCTION Before diving, check the hands for diving measurements. Press button B repeatedly. Log data Log data of Diving hands of the the dive at “0” last dive before last position 0.0 m 1.6 m Diving measurement starts when you descend to 1.6 m or more.
- Page 13 Case I Case II Diving measurement stops when you ascend to less than 1.6 m. Rapid ascent warning ! Case I : If you stay at less than 1.6 m underwater for more than 10 minutes, the dive is considererd to be completed. Case II : If you descend again to 1.6 m or more underwater before 10 minutes have elapsed, the two dives are considered...
-
Page 14: Warning Function For Diving
● Before starting a dive, be sure to check that the hands for diving measurement are reset to “0” position. If not, reset them following the procedure in “ADJUSTING THE HAND POSITION BEFORE DIVING”. ● When you ascend to a depth less than 1.6 m underwater and the watch stops measuring the depth, the DEPTH and 1/10 m hands indicate “0.0 m”. - Page 15 CAUTION The rapid ascent warning is given whenever the diver’s ascent rate is beyond the specified criterion. The extent of hazardousness, however, varies depending on the water temperature and the diver’s physical condition. Please note that the warning serves only as a guideline for your diving activities. EXTRA MEASUREMENT RANGE WARNING (LIMIT) ●...
- Page 16 The DEPTH hand points to the 58-minute position and the MAX. DEPTH hand points to 0 m. CAUTION If the watch gives the above warning, do not continue to use the watch for diving measurement.
-
Page 17: Recall Of Log Data
RECALL OF LOG DATA ● The watch retains data for two dives, namely, time submerged, diving time, maximum depth and average depth. * Log data cannot be recalled while diving and for 10 minutes after diving. Press to recall the log data. ●... -
Page 18: Rotating Bezel
ROTATING BEZEL ● The rotating bezel can show up to 60 minutes of elapsed time. It is useful for measuring the surface interval. Turn the rotating bezel to align Read the number on the rotating its “ ” mark with the minute bezel that the minute hand points hand. -
Page 19: Single-Time Alarm
SINGLE-TIME ALARM ● The alarm can be set to ring once within the coming 12 hours. ● While on the surface, the small hands at the 6 o’clock position serve as alarm hands. * While you are at a depth of 1.6 m or more underwater and for 10 minutes after a dive, the single-time alarm function cannot be used. -
Page 20: Precautions For Diving
If there are any malfunctions, do not use the watch for diving. We recommend that you contact an AUTHORIZED SEIKO SERVICE CENTER. ● If the temperature of the water is much lower than the air temperature (for example, if the watch is put into water after it is left in direct sunlight for a long time), the watch may not measure the depth accurately. - Page 21 or in temperatures outside the operational temperature range for depth measurement (0° C to 40° C or 32° F ~ 104° F), the depth measurement may be inaccurate, and depths greater than 1.6 m may be displayed even while the diver is on the surface, resulting in endless depth measurement and buttons which no longer operate.
-
Page 22: After Diving
● If soil, sand, etc. stick in the sensor unit and cannot be washed out, take your watch to the retailer from whom the watch was purchased or an AUTHORIZED SEIKO DEALER or SERVICE CENTER. ● Be careful not to expose the watch to solvents such as alcohol and gasoline, as this may... -
Page 23: Notes On Using The Watch
NOTES ON USING THE WATCH TIME/CALENDAR SETTING ● Do not set the date between 9:00 p.m. and 1:00 a.m. Otherwise, the date may not change properly. ● Be sure to set the time hands and the small hands at the 6 o’clock position accurately to the current time as the time submerged recorded as log data is based on the time the small hands indicate. - Page 24 DIVING MEASUREMENT How to read the measurements ● The time submerged is the time when you descend to a depth of 1.6 m or more underwater, and the diving time measurement starts at the same time. ● The time submerged is indicated in the 12-hour indication without showing AM/PM. ●...
- Page 25 • Maximum depth : The MAX. DEPTH hand indicates the 56-minute position. • Average depth : The DEPTH hand indicates the 56-minute position. • Time submerged and diving time are recorded as measured. Abnormal measurement / measurement halt warning ● If the watch senses an abnormality while measuring the depth, the log data recorded in memory will be as follows: •...
- Page 26 SINGLE-TIME ALARM ● When button B is pressed to reset the hands for diving measurement, check that the small hands at the 6 o’clock position indicate the current time. ● While you are at a depth of 1.6 m or more underwater and for 10 minutes after a dive, the single-time alarm function cannnot be used.
-
Page 27: Battery Life Indicator
When the battery expires, be sure to replace it as soon as possible to prevent any malfunction. For battery replacement, we recommend that you contact an AUTHORIZED SEIKO DEALER and request SEIKO CR2016 battery. - Page 28 * For safety’s sake, the watch will also undergo a strict check at the time of battery replacement. In addition to battery replacement, water resistant quality of the watch and the depth measurement function will be checked. The gasket will be replaced with a new one if necessary. Therefore, it will take approximately 10 days before the watch is returned to you, and the checking may be made at cost.
- Page 29 40 m 20.0 m Time of DATA 1 plus 6 hours * If the above data are not properly indicated, the watch may be out of order. Contact the retailer from whom the watch was purchased or an AUTHORIZED SEIKO DEALER.
-
Page 30: How To Use The Diver Extender
HOW TO USE THE DIVER EXTENDER Flap Clasp Upper cover 12 o’clock 6 o’clock side side Two-piece foldover portion ● To extend the band length Lift up the flap. ➡ Press the button to open the clasp. * Then, push the flap back to the normal position for safety’s sake. -
Page 31: Specifications
SPECIFICATIONS Frequency of crystal oscillator ....32,768 Hz (Hz = Hertz ... Cycles per second) Loss/gain (monthly rate) ......Less than 15 seconds at normal temperature range (5° C ~ 35° C) (41° F ~ 95° F) Operational temperature range ....–10°... - Page 32 Accuracy of the alarm: ± 1 minute Battery ............Miniature lithium battery SEIKO CR2016, 1 piece Battery life: approx. 2 years 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.