Thank you very much for choosing a SEIKO watch. For proper and safe use of your SEIKO watch, please read carefully the instructions in this booklet before using it. Keep this manual handy for easy reference. ※ Length adjustment service for metallic bands is available at the retailer from whom the watch was purchased.
※ Do not leave the old battery inside the watch for a long time. Battery leakage may occur. ○ If the pins protrude from the band ※ Immediately consult the retailer from whom the watch was purchased or SEIKO CUSTOMER SERVICE CENTER. ・If you observe any allergic symptoms or skin irritation, stop wearing the watch immediately and consult a specialist such as a dermatologist or an allergist.
Features Mode Change with Rotary Switch ・ To change the mode, hold the two bezel knobs with the thumb and another finger, ■MODE CHANGE WITH ROTARY SWITCH and turn the rotating bezel to align the desired mode name on the rotating bezel Mode change can be made easily by turning the rotating bezel.
Indication on Marking Descriptions Functions Refer to: rotating bezel Time/Calendar mode TIME ・ Setting and display of time, date and day of week P. 66 ・ Fully automatic calendar from 2018 to 2067 ・ Turning on/off of hourly time signal/button [AM/PM mark] :...
③ Press Button Ⓒ to select the flashing seconds digits, and then, press Button Ⓓ (3) Alarm test and turning on/off of hourly time signal/button operation confirmation sound in accordance with a time signal. The seconds are reset to "00." ●The alarm sound can be tested by pressing Ⓒ...
(3) Engagement/disengagement of the alarm How to Use Stopwatch Mode ・ With each press of Button Ⓓ in the Alarm display, the alarm is engaged and disengaged alternately. ・ The stopwatch measures up to 99 hours, 59 minutes and 59 seconds in 1/100-second ※When the alarm is engaged, the alarm mark ( ) is shown .
2) Measurement of times of the first and second runners 3) Split time measurement ①Checking that the stopwatch has been reset, press Button Ⓒ to start measurement. ①Checking that the stopwatch has been reset, press Button Ⓒ to start measurement. ②Press Button Ⓓ...
(3) How to start/stop/reset the timer How to Use Tachymeter Mode ①Checking that the timer has been reset, press Button Ⓒ to start timer countdown. ②Press Button Ⓒ to stop timer countdown. ・ The average hourly speed of an automobile can be calculated and displayed from ※The countdown can be stopped and restarted as many times as necessary by pressing Button Ⓒ.
2) To measure time traveled and average hourly speed in round trip; those to and from destination, respectively, and in the whole trip Ex.) When the distance to the destination is "100 km": ① Before reaching the destination during the forward trip, use the tachymeter in Ⓒ...
(4) Remarks on error indication Daily Care The error indication appears in the following cases: Average speed ・ When the average speed exceeds 1000.0 km/h, ● The watch requires good daily care the average speed display ("-- --") in the upper row starts flashing.
Notes on skin Skin irritation caused by a band has various reasons such as allergy to metals genuine SEIKO battery. irritation and allergy or leathers, or skin reactions against friction on dust or the band itself.
・ SEIKO makes it a policy to typically keep a stock of replacement parts for this watch for 7 years. Replacement parts are those which are essential to maintaining the functional integrity of the watch.
Page 13
Troubleshooting Problem Possible cause Solution Problem Possible cause Solution The watch has stopped The battery has run down. Immediately request the retailer from The distance to travel The rotating bezel is turned to Once the Tachymeter mode is operation. whom the watch was purchased to set in the Tachymeter change the mode.
Page 14
Specifications 1. Frequency of crystal oscillator ···· 32,768 Hz (Hz = Hertz ... Cycles per second) 2. Loss/gain (monthly rate) ··············· Less than 20 seconds at normal temperature range (between 5℃ and 35℃) 3. Operational temperature range ··· Between −10℃ and +60℃ (Temperature range for display function between 0℃ and+50℃) 4.
Page 14
報マーク) 製 タキメーターモード ································ 設 定距離:7種類のプリセット距離(0.2、0.4、1.0、6.0、10.0、 purchased because you received the watch as a gift or you moved 品 50.0、100.0 km)から選択または0.1 km単位で最大999.9 kmまで 仕 to a distant place, please contact SEIKO CUSTOMER SERVICE 任意の距離を設定( *** km)、計測時間(最大99時間59分59秒)、速度 様 (0〜999.9 km/h)、ラップタイム、ラップ回数、距離/時速マーク、 CENTER. ラップマーク、ラップ回数マーク、エラー表示、(アラームマーク、時報 T he service may also be available on a chargeable basis at other マーク)...