spring drive and minute repeater

Oct 21, 2014,14:41 PM
 

Interesting to know that Seiko chose to power their sonnerie and minute repeater with spring drive movements.  But it does make sense to do this.  Great report on the movements.
Regards,
ED-209

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VISIT TO SEIKO PART 5: Spring Drive Watch Movements

 
 By: cazalea : October 19th, 2014-17:57
Thanks for reading on from Part 4 of this series. (Is this the final installment? No, probably not. Here we cover Spring Drive and custom creations, then in another post we will briefly review jeweled watches, the Astron GPS, food and drink, etc.) SPRING ...  

re: VISIT

 
 By: DRMW : October 20th, 2014-00:04
Cool to see the happenings at your visit. Thanks cazalea for bringing it to the rest of us on the forum! -MW

This is probably my favorite part..

 
 By: Echi : October 20th, 2014-02:22
Wow. Those Credors are amazing. Really really really nice. Wow... The backside of that model I... By the way, that sonnerie looks good on your wrist. Very handsome and love the heft. Thanks for putting all this together, Mike. Best, Echi

Amazing report!

 
 By: rnaden : October 20th, 2014-04:22
It's equally amazing that Seiko builds just about everything they need, and winding the hairspring in just a few minutes?? WOW! Thanks for this great report. It has certainly increased my appreciation for Seiko, particularly their Grand Seiko line. In fac... 

Hi Richard

 
 By: cazalea : October 20th, 2014-07:48
Thanks for the kind words. I have to say that he is not actually winding the mainspring, but is aligning it and adjusting the final position and curve. This is a great achievement in itself. Keep reading! Cazalea

Beautiful dial...

 
 By: KIH : October 20th, 2014-08:18
.. really wish Shinshu and Shizukuishi work together to make super watches.... Ken

ADDENDUM to SPRING DRIVE

 
 By: cazalea : October 20th, 2014-08:36
Hello again. I've been struggling through some patent documents this morning in an effort to understand the Spring Drive's torque return system. ( feel free to join me; they are HERE ) I had noticed some extra wheels on the movements and wondered what the...  

You've succeeded in making me feel . . .

 
 By: Dr No : October 21st, 2014-12:46
. . . like a dunce. :-( I always wondered why their chiming watches utilized Spring Drive movements, instead of mechanical movements from Grand Seiko. It never occurred the reason was as simple - and compelling - as the inherently quieter background. Eure... 

spring drive and minute repeater

 
 By: ED209 : October 21st, 2014-14:41
Interesting to know that Seiko chose to power their sonnerie and minute repeater with spring drive movements. But it does make sense to do this. Great report on the movements. Regards, ED-209