757443
3
Zoom out
Zoom in
Previous page
1/16
Next page
INTRODUCTION - Spring drive watch –
Thank you for purchasing the Grand Seiko Spring Drive watch.
The Spring Drive is Seiko’s unique mechanism in which accuracy is controlled by a
microelectronics quartz mechanism while using the power of the mainspring to move the hands.
The Spring Drive can be called a watch that strongly combines and connects the user with the
latest advancements in technology.
A mechanical watch of taste and refinement with an accuracy equivalent to a quartz watch, this
sophisticated and innovative watch ticks in step with the pace of a person’s life.
This is a watch that creates a lifestyle for modern individuals who seek affluence and
convenience in their life.
That is what the Grand Seiko Spring Drive watch is all about.
2INTRODUCTION - Spring drive watch –
History of Spring Drive
Decades-long dream lives in the Grand Seiko
Grand Seiko’s history symbolizes the culmination of efforts and development aiming for better
practical watches.
The Grand Seiko watch was born in 1960, reached the very top in the mechanical watch field
around the world at the end of the 1960’s. After a hiatus of dozen years or so, in 1993, the Grand
Seiko 9F series equipped with world-class quartz movement was released.
In 1998, the 9S series mechanical movement that combined traditional craftsmanship and
advanced technology was developed to reintroduce the Grand Seiko mechanical caliber.
Furthermore, while using the unwinding power of the mainspring as its sole power source, this
Spring Drive realizes much greater accuracy than conventional mechanical watches. The watch
also embodies the concepts of Grand Seiko that continues the challenge of creating the best
practical watch.
1960 Released the first Grand Seiko.
1964 Participated in the Neuchatel Observatory Competition in
Switzerland for the first time.
1968 Released Japan’s first automatic winding 10-beat model, 61GS.
1968 Won the first prize in the mechanical wrist chronometer category of
the Geneva Observatory Competition in Switzerland.
1978 Filed a patent for the Spring Drive mechanism for the first time.
1982 Filed a patent for the Spring Drive mechanism (registered). Started
initial development.
1988 Released the first Grand Seiko quartz caliber.
1993 Started the second development of the Spring Drive.
Released the Grand Seiko 9F series equipped with world-class
quartz movement.
1997 Started the third development of the Spring Drive.
Released technological announcement of the Spring Drive at the
Swiss Society of Chronometry (SSC).
1998 Exhibited the Spring Drive at BASELWORLD.
Released the Grand Seiko 9S series mechanical caliber combining
traditional craftsmanship and advanced technology.
Started the development of the automatic winding Spring Drive.
1999 Released the manual-winding Spring Drive (CAL.7R68) limited
edition from SEIKO.
2002 Released the manual-winding Spring Drive (CAL.7R88) from
CREDOR.
2004 Released the Grand Seiko automatic winding Spring Drive
(CAL.9R65).
2007 Released the first Grand Seiko chronograph (9R86).
2016 Released 9R01 8Days which realized a long continuous operating
time with three barrels.
2020 Released Spring Drive 9RA5 which was evolved to have high
accuracy and 5-day power reserve.
3
English
3


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Seiko 9RA5 at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Seiko 9RA5 in the language / languages: English as an attachment in your email.

The manual is 1,93 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

Others manual(s) of Seiko 9RA5

Seiko 9RA5 User Manual - German - 16 pages


The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info