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Seico 5


6R15 MOVEMENT

Sarb007 Diashock23

SARB003 MED.jpg


SARB033

SARB033-1.jpg


SARB035

SARB035-1.JPG


SARB071

SARB071-1.JPG



SBDC007

6R20 MOVEMENT

  • In production



7009 MOVEMENT

Seiko 7009A.jpg

This movement is one of the most produced japanese movements, which was for example and mainly used in the legendary "Seiko 5", 
until it was replaced in the late eighties by its successor, the caliber 7S26.
The 17-jewel equipped movement is pretty simple but efficiently constructed. It cannot be handwound, but on the other hand, 
it uses a rather elaborated excenter mechanism like for example IWC uses in many of their own movement. 
The 7009A uses all possible indications, hour, minute, second and day and weekday.
An interesting detail is, that the day is advanced by turning the crown in its second position, 
but the weekday is advanced by pressing the crown in position one
Manufacturer            Seiko
Caliber                 7009A
Number of jewels        17
Escapement              Anchor with pallets
Balance                 Glucydur
Shock protection(s)     Diashock (Seiko)
Balance cock direction  counterclockwise
Hairspring stud         moveable
Regulator type          Hairspring key
Features                SC?,QG,JG,RDR,AUT
Functions               Hour, minute, second, day, weekday, selfwinding
Beats per hour          21600
... 7009 caliber was discontinued by 1996 and was replaced by the current 7s26 caliber.
...  if the dial and caseback doesn't have the word "JAPAN" on them...


7S26 MOVEMENT

Seiko 7s26-1.jpg

...
There are many positive things I can say about this movement, but the most relevant is that it is exceedingly honest, almost to a fault. 
It is an economic design and construction that is created for maximum performance and robustness at minimal cost. 
It has no pretenses of decoration or "fineness". 
In fact, it uses this very freedom from tradition to incorporate engineering solutions that would otherwise be shunned, like the plastic calendar wheels and spacer ring. 
It is heartily true unto itself as a low cost, low maintenance, long lasting and well functioning automatic movement. 
It is not pretty and it is not glamorous. It is in all likelihood untouched by human hands in its manufacture. 
There is, however, significant accomplishment in its conception and implementation. 
Without the Seiko 7S26 and comparable movements from Miyota (Citizen), Orient, and Swatch, 
many people would not be able to experience the joy of owning a mechanical watch at all.

.. I will not be shocked in the least if this watch runs for twenty years without service 
(maybe fifteen now that I've replaced the Seiko lubricants with Moebius greases and oils) 
and fully expect to read extreme stories in the future regarding 7S26 based Seiko Diver's. 

In August 2011, a group of watch enthusiasts started their journey into horology following an online tutorial. 
The goal of this project is to assist the watch hobbyist in disassembly and assembly of a Seiko 7S26 mechanism
The watches from the 1990's were manufactured in Japan, now in the 2000's they are manufactured at the Seiko factory in Singapore. 
That is partially the reason they are so readily available on eBay for great prices. 
If you want a more "upscale" automatic Seiko, you should look at the Diashock models. 
I got mine in Tokyo, however there are some retailers where you could purchase one here in the USA. 
On the Seiko Japan web site, they are under the "Mechanical" watch section:
http://www.seiko-watch.co.jp/mechanical/index.html
I highly recommend these, as the fit and finish of the case is much nicer, and the movement is hacking. 
These watches are more on par with the construction of a Rolex or a Tudor, without the expense. 
They retail for about 45,000 JPY, however you can find them for less money. 
I bought a SARB007 from the Sakuraya Watch Kan in Shinjuku. It is 23 jewels and very much higher quality than the Seiko 5.
Yes, definitely look into the Diashock 23 jewel models. They have some very cool styles. 
I showed my SARB007 to a friend who owns a jewelry store, who used to be an authorized Rolex dealer. 
He wears a $3000 GMT-II, and when he saw my Seiko, he was really surprised!



Check also

Tissot