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Speed · 2 June 2018, 07:01 AM

Anyone know?

I know these watches can stay charged for 10 mos...I assume you never change a battery.

Question is, does the seconds hand tick in one-second increments ala a traditional quartz, or some other variant.

PJ S · 2 June 2018, 08:40 AM

Solar is only the means of (re-)charging the battery, it’s still a quartz movement, so no different to standard battery or kinetic versions.

Speed · 2 June 2018, 12:20 PM

Quote:

Originally Posted by PJ S

Solar is only the means of (re-)charging the battery, it’s still a quartz movement, so no different to standard battery or kinetic versions.

Ahhhh

So tick, tick, tick eh?

cajunron · 2 June 2018, 02:56 PM

Quote:

Originally Posted by Speed

Ahhhh

So tick, tick, tick eh?

Yep. It's the same with my Citizen Eco Drive as well.

Speed · 2 June 2018, 10:38 PM

Quote:

Originally Posted by cajunron

Yep. It's the same with my Citizen Eco Drive as well.

Thanks much.

I read a forum posting elsewhere which said a Seiko quartz beat at 5 bears a second, but that. Doesn’t make sense...

Cool concept though. The solar powered bit that is.

pickettt · 2 June 2018, 11:46 PM

Quote:

Originally Posted by Speed

Thanks much.

I read a forum posting elsewhere which said a Seiko quartz beat at 5 bears a second, but that. Doesn’t make sense...

One second per tick. However, with my understanding of how quartz watches work, I’m sure it could be electronically engineered to work that way. I would guess it would sacrifice some accuracy.
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jason042779 · 7 June 2018, 05:22 AM

Although on the solar chronos, while the running seconds ticks once per second, the chrono hand has the look of an auto.

stockae92 · 7 June 2018, 08:34 AM

Quote:

Originally Posted by jason042779

Although on the solar chronos, while the running seconds ticks once per second, the chrono hand has the look of an auto.

yep, those solar chrono with a 24 hr sub dial has a "sweeping" (1/5 sec) chrono second hand.

Frogman · 8 June 2018, 12:55 AM

It takes a lot more energy for a sweeping motion, so its not generally good for quartz.

stockae92 · 8 June 2018, 04:19 AM

Quote:

Originally Posted by Frogman

It takes a lot more energy for a sweeping motion, so its not generally good for quartz.

agree. but that's why bulova accutron II is so nice. it has a sweeping second hand, no date, and has a respectable battery life of 2 years.

2 June 2018, 07:01 AM	#1
Speed "TRF" Member Join Date: Aug 2009 Location: USA Posts: 19,706	Does a SEIKO Solar Quartz "tick" or sweep? Anyone know? I know these watches can stay charged for 10 mos...I assume you never change a battery. Question is, does the seconds hand tick in one-second increments ala a traditional quartz, or some other variant.

2 June 2018, 08:40 AM	#2
PJ S Banned Join Date: Mar 2014 Location: UK Posts: 3,990	Solar is only the means of (re-)charging the battery, it’s still a quartz movement, so no different to standard battery or kinetic versions.

7 June 2018, 05:22 AM	#7
jason042779 "TRF" Member Join Date: Mar 2017 Location: DC Metro Watch: 216570, 18038 Posts: 102	Although on the solar chronos, while the running seconds ticks once per second, the chrono hand has the look of an auto.

8 June 2018, 12:55 AM	#9
Frogman "TRF" Member Join Date: Mar 2018 Location: Australia Posts: 194	It takes a lot more energy for a sweeping motion, so its not generally good for quartz.

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