Seiko 9R15, 9R65 manual Contents

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Thank you very much for choosing a SEIKO watch.

For proper and safe use of your SEIKO watch, please read the instructions carefully 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. If you cannot have your watch repaired by the retailer from whom the watch was purchased because you received the watch as a gift, or you moved to a distant place, please contact SEIKO CUSTOMER SERVICE CENTER. The service may also be available on a chargeable basis at other retailers, however, some retailers may not undertake the service.

If your watch has a protective film for preventing scratches, make sure to peel it off before using the watch. If the watch is used with the film on it, dirt, sweat, dust, or moisture may be attached to the film and may cause rust.

CONTENTS

■INTRODUCTION - Spring drive watch –·················································· 2 ・History of Spring Drive··············································································· 3 ・Spring Drive Mechanism ··········································································· 4 ・Differences between the Spring Drive and mechanical watch ········· 7 ■HANDLING CAUTIONS (applicable to all models)······························ 8

■CHECK THE CALIBER NUMBER AND WATER-RESISTANT LEVEL······ 9 ■CAUTIONS ON WATER RESISTANCE ················································· 10

・If water-resistant level of your watch is defined as

“WATER RESISTANT”············································································ 10 ・If water-resistant level of your watch is defined as

“AIR DIVER’S”··························································································· 11 ■NAMES OF THE PARTS············································································· 13 ■HOW TO USE ································································································· 16 ・Crown ············································································································ 16 ・Power reserve indicator·········································································· 17 ・For Cal. 9R84, 9R65, 9R15 ································································ 18 ・Chronograph (For Cal. 9R86, 9R84) ················································· 20 ・For Cal. 9R86, 9R66··············································································· 25 ※List of time zone differences in major regions of the world ···· 32 ■FUNCTIONS OF DIVER’S MODEL ·························································· 33 ・Unidirectional rotating bezel································································· 33 ・Diver adjuster ····························································································· 34 ■TO PRESERVE THE QUALITY OF YOUR WATCH···························· 35 ・After-sale service······················································································ 35 ・Guarantee···································································································· 36 ・Daily care ····································································································· 37 ・Band··············································································································· 38 ・Magnetic resistance (Magnetic influence) ···································· 39 ・Lumibrite ······································································································ 40 ・Troubleshooting························································································· 41 ■SPECIFICATIONS (Movement) ······························································ 42

English

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Contents Spring Drive JSYGS9R1-1302Contents History of Spring Drive Spring Drive Mechanism ① Tri-synchro regulator MainspringGear train hands Water resistance How to check the caliber numberAbout the caliber number Precautions for diving 9R65, 9R15 Diver’s models Hour hand Second hand Crown Power reserve Date Indicator9R65, 9R15 Regular models 9R86, 9R84 9R66 Regular model9R66 Model with a rotating bezel Crown Power reserve indicatorHow to read the power reserve indicator Screw-lock type crownDate adjustment at the end of the month How to wind the main springTips for more accurate time setting How to set the time and dateNames of the chronograph parts and their function How to use the screw-lock type buttonBefore using the stopwatch function Screw-lock type button② If your watch has screw-lock How to use the stopwatch functionAccumulated elapsed time measurement Working Type buttons, unlock themHow to compute productivity rate per hour How to use the tachymeterHow to measure average speed of your vehicle How to set the time and calendarHow to set the calendar How to use the time difference adjustment function How to use the 24-hour handTime difference adjustment function When daylight saving time is observed How to use the bi-directional rotating bezelSelectable display mode On the rotating bezelList of time zone differences in major regions of the world How to use the rotating bezelUnidirectional rotating bezel After-sale service Diver adjusterHow to use the diver adjuster Replacement partsGuarantee Daily careMetallic band BandMagnetic resistance Magnetic influence Leather bandIf your watch has Lumibrite TroubleshootingLumibrite Reference data on the luminanceSPECIFICATIONS（Movement）

9R15, 9R65 specifications

The Seiko 9R series is a remarkable line of mechanical watches featuring Spring Drive technology, a hallmark of precision and innovation. Among its esteemed models, the 9R65 and 9R15 movements stand out for their unique characteristics and advancements.

The 9R65 movement is known for its impressive power reserve of up to 72 hours, which is significant for a watch powered by a spring-driven mechanism. This makes it extremely reliable for everyday wear, as users can take the watch off for a weekend without worrying about it stopping. One of the most notable features of the 9R65 is its smooth and continuous movement of the second hand, a signature of Spring Drive technology. Instead of ticking like traditional mechanical watches, the 9R65 provides a seamless glide, offering a visual experience that is both captivating and elegant.

On the other hand, the 9R15 movement, while sharing some similarities with the 9R65, takes the craftsmanship a step further with its chronograph function. This feature allows users to accurately measure elapsed time, making it ideal for sports enthusiasts and those who require precision timing. The 9R15 has a power reserve of approximately 60 hours, ensuring that it maintains its functionality over an extended period. Its robust design is complemented by the familiar Spring Drive mechanism, ensuring that while it offers additional functionality, it does not compromise on the smoothness and reliability typical of Seiko.

Both movements utilize Seiko’s advanced Spring Drive technology, which combines the best elements of mechanical and quartz watchmaking. This unique hybrid system allows for unparalleled accuracy, with variations of just one second per day, which is exceptional for a mechanical watch. Furthermore, the 9R series features a durable construction, incorporating high-quality materials such as stainless steel and ceramic, enhancing their longevity and resistance to wear.

In conclusion, the Seiko 9R65 and 9R15 movements exemplify the brand’s commitment to innovation, precision, and durability. Whether you prefer the minimalist elegance of the 9R65 or the added complexity of the chronograph in the 9R15, both options promise an exceptional blend of technology and artistry that showcases Seiko's prowess in horology. These movements not only cater to the demands of modern watch enthusiasts but also pay homage to the intricate traditions of watchmaking, making them a desirable choice for collectors and aficionados alike.
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