The Watch Thread - Part 7

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ComicBoy

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Even the ROs? Not ROO?

I used to like ROO because it was big and all, but now I prefer RO and not ROO because it's much more elegant and less "tacky" with all the celebrities link up.

Yeah .... somehow, the AP doesn't speak to me.
 

DaBenDan

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rmUOuTW.jpg


can anyone identify this watch?
many thanks!

That will be some limited edition tag monaco
1496.jpg
 
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a562140

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How to classify Seiko Spring Drives then? It's both mechanical and also got battery :s22:

yeah no battery hence the name "spring drive" i.e. driven by spring storage of energy.

however it isn't exactly a mechanical movement, more an electromagnetic device driven by a close-loop circuit and chip. to me its much closer to the "tuning fork" than to quartz.
 

patryn33

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yeah no battery hence the name "spring drive" i.e. driven by spring storage of energy.

however it isn't exactly a mechanical movement, more an electromagnetic device driven by a close-loop circuit and chip. to me its much closer to the "tuning fork" than to quartz.

Not a 100% mechanical for sure
Seiko-SD-movement-explostion1.jpg


"Tuning fork"
fork.jpg

accuton-spaceview-steel3.jpg
 
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a562140

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Not a 100% mechanical for sure
Seiko-SD-movement-explostion1.jpg

"Tuning fork"
fork.jpg

accuton-spaceview-steel3.jpg

From wikipedia

The Accutron (right), an electromechanical watch developed by Max Hetzel and manufactured by Bulova beginning in 1960, used a 360 hertz steel tuning fork as its timekeeper, powered by electromagnets attached to a battery-powered transistor oscillator circuit. The fork allowed it to achieve greater accuracy than conventional balance wheel watches. The humming sound of the tuning fork could be heard when the watch was held to the ear.

can you believe that the accutron was developed in the 60's and already provided a 300Hz resonator with no positional differences.

as for the spring drive, swatch was also working on the same technology but it seems seiko reached the patent office first.
 

alanjw55

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Sexperts, can recommend some decent place to get seiko?

Other than k2?
I went skywatch at PPC, they have shogun, but they are selling at 1.2k and sumo at abt 800plus

Is that the usual?or it can be cheaper?any advice?
 

confusedboi

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Sexperts, can recommend some decent place to get seiko?

Other than k2?
I went skywatch at PPC, they have shogun, but they are selling at 1.2k and sumo at abt 800plus

Is that the usual?or it can be cheaper?any advice?

If you buy online try seiya japan. Sumo about 600sgd of less depending on usd/sgd rate
 
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