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The rules should oblige the seller to give the purchaser an operating instrucion of Seiko 7K52, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Seiko 7K52 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Seiko 7K52. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Seiko 7K52 should contain:
- informations concerning technical data of Seiko 7K52
- name of the manufacturer and a year of construction of the Seiko 7K52 item
- rules of operation, control and maintenance of the Seiko 7K52 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Seiko 7K52 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Seiko 7K52, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Seiko service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Seiko 7K52.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Seiko 7K52 item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
INSTRUCTIONS (P. 3) BEDIENUNGSANLEITUNG (S. 33) INSTRUCTIONS (P. 63) ISTRUZIONI (P. 93) INSTRUCCIONES (P. 125) INSTRUÇÕES (P. 155) 用法説明 (185 頁 ) Cal. 7K52[...]
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English 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. Vous voici l’heureux propriétaire d’une montre quartz analogique SEIKO Cal. 7K52. Pour obten[...]
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English 3 ENGLISH 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. First of all, this watch is for use by adults only in recreational (no-d[...]
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English 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. In addition, sharp fluctuations in atmospher[...]
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English 5 CONTENTS Page HOW TO USE THE SCREW LOCK TYPE CROWN ..................................................... 8 TIME/CALENDAR SETTING ........................................................................................ 9 ADJUSTING THE HAND POSITION BEFORE DIVING ................................................ 10 DIVING MEASUREMENT .......[...]
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English 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 • Rapid ascent warning • Extra measurement range warning • Abnorma[...]
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English 7 a: Screwed-in position b: Normal position c: First click d: Second click a b c d Hour hand Minute hand Small second hand Water contact sensor Time submerged Alarm time MAX. DEPTH hand 1/10 m hand Rotating bezel DIVING TIME hand Date DEPTH hand ★ Pressure sensor is located under here. ★ B A C CROWN [Screw lock type][...]
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English 8 HOW TO USE THE SCREW LOCK TYPE CROWN ● To unscrew the crown: Turn it counterclockwise. ● To screw in the crown: 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. ● Do not pull out the crown to the first click while the watch is measur[...]
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English 9 A TIME/CALENDAR SETTING Hour hand Minute hand Small second hand Press to set small hour and minute hands to the time set above. ▼ Push in in accordance with a time signal. ▼ Screw in completely. Small hour and minute hands Date A CROWN CROWN Unscrew. ▼ Pull out to first click and turn counter- clockwise to set the date. ▼ Pull out[...]
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English 10 ADJUSTING THE HAND POSITION BEFORE DIVING B Press repeatedly until you hear a long beep. B C DEPTH hand 1/10 m hand MAX. DEPTH hand DIVING TIME hand CROWN Set the current time. (See “TIME/CALEN- DAR SETTING) ▼ Push in in accordance with a time signal, and screw in completely. ▼ ▼ C Press to reset the 1/10 m, DEPTH and MAX. DEPTH [...]
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English 11 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. ● Current depth: Indicated by DEPTH and 1/10 m hands in 0.1 m increments from 1.6 m up to 55.0 m. (Ex. 12.5 m) ● Max[...]
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English 12 0.0 m 1.6 m 55.0 m Diving measurement starts when you descend to 1.6 m or more. Never operate the crown while the measurement is in progress. HOW TO USE THE DIVING FUNCTION Before diving, check the hands for diving measurements. Press button B repeatedly. Log data of the last dive Log data of the dive before last Diving hands at “0” [...]
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English 13 Extra measurement range warning ! Rapid ascent warning ! ➡ Diving measurement stops when you ascend to less than 1.6 m. Case I Case II 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 el[...]
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English 14 ● 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 indi[...]
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English 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 W[...]
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English 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.[...]
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English 17 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. B Press to recall the log data. ● With each press of button B, recall of the log data and checking of the hand positions are made [...]
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English 18 ROTATING BEZEL ● The rotating bezel can show up to 60 minutes of elapsed time. It is useful for measuring the surface interval. 2 Read the number on the rotating bezel that the minute hand points to. 1 Turn the rotating bezel to align its “ ” mark with the minute hand. Elapsed time Start 20 minutes have elapsed. * The rotating beze[...]
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English 19 SINGLE-TIME ALARM ● To stop the alarm manually: Press any of the buttons. ● To cancel the alarm: Press button B to recall the log data, or press and hold button A until the small hands indicate the current time. ● The alarm can be set to ring once within the coming 12 hours. ● While on the surface, the small hands at the 6 o’cl[...]
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English 20 PRECAUTIONS FOR DIVING BEFORE DIVING ● Check that: • the watch operates normally. • the crown is locked tightly in place. • there are no visible cracks in the crystal or the watch band. • the strap or bracelet is securely fastened to the watch case. • the buckle keeps the strap or bracelet firmly secured to the wrist. • the[...]
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English 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. If this o[...]
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English 22 rapid ascent warning may or may not reach your ears. ● If you find the DEPTH hand indicating the 58-minute position while you are underwater, you should either ascend to the surface immediately or, if you choose to remain underwater, not depend on diving information provided by the watch. ● The watch measures the depth of water on th[...]
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English 23 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 hand[...]
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English 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. ● The diving time can be measured and indicated for up [...]
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English 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[...]
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English 26 ● 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. ● The small hour and minute hands advance qui[...]
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English 27 BATTERY LIFE INDICATOR ● When the battery nears its end, the small second hand moves at two-second intervals instead of the normal one-second intervals. In that case, the watch will stop operating in 2 to 3 weeks. Replace the battery with a new one as soon as possible. * While the small second hand is moving at two-second intervals, th[...]
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English 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 th[...]
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English 29 Necessary procedure after battery change ● When the battery is replaced with a new one or when the watch hands move improperly, follow the procedure below. The IC is reset and then the watch operates normally. * The log data stored in memory will be erased by following the procedure below. Pull out Crown to the second click and press b[...]
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English 30 HOW TO USE THE DIVER EXTENDER Flap Clasp 12 o’clock side Two-piece foldover portion Upper cover 6 o’clock side ➡ 2 ➡ 1 ➡ 3 ➡ 4 ➡ ➡ ➡ ➡ 6 Approx. 2 cm 5 ● To extend the band length 1 Lift up the flap. 2 Press the button to open the clasp. * Then, push the flap back to the normal position for safety’s sake. 3 Pull t[...]
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English 31 SPECIFICATIONS 1 Frequency of crystal oscillator ................... 32,768 Hz (Hz = Hertz ... Cycles per second) 2 Loss/gain (monthly rate) ............................. Less than 15 seconds at normal temperature range (5 ° C ~ 35 ° C) (41 ° F ~ 95 ° F) 3 Operational temperature range .................. –10 ° C ~ +60 ° C (14 ° [...]
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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 DEPT[...]