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Satellite Wave vs. Radio Wave

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#21 ·
My Oceanus is a hybrid so it has both GPS sync and Radio Sync

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I don't really have a preference as I can easily sync both at my home. I only care about DST and end of DST so if the watches don't sync all the time, I don't care. I hate Seiko radio sync watches as out of all the radio sync watches, they are the only ones that don't do DST automatically

Seiko does make a great GPS clock though. These will sync anywhere in the house as long as they are with in 50 feet of a window. They can be in a closet with a closed door and as log as the closet is with in 50 feet of a window it will sync. I have had Seiko GPS clocks since Sept 2021 and have had no trouble with them

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#22 ·
I have a Seiko RF that's a couple years old; the lack of auto-adjust for DST is, I agree, an annoyance. I'd be curious to know if the new movement fixes this; that Astron Verdict posted looks pretty nice.

I don't have a GPS watch at this point; that may finally change. Historically, they've been a) too big, and b) too busy...I don't like a mess of subdials and such. The 3X Astron family may change that. Citizen doesn't have anything all that close; the CC3050 familiy isn't too busy but still...not my cuppa. And it's 43 mm. I'm also not sure Citizen is particularly vested in doing a 'simple' GPS, when they've got so much invested in TC. GPS' implicit capabilities makes for a great travel watch...which means more dial goodies. (Seiko's TC watches are now, I believe, all under the Grand Seiko or Credor umbrellas.)
 
#23 ·
The
gangrel said:
I don't have a GPS watch at this point; that may finally change. Historically, they've been a) too big, and b) too busy...I don't like a mess of subdials and such. The 3X Astron family may change that. Citizen doesn't have anything all that close; the CC3050 familiy isn't too busy but still...not my cuppa. And it's 43 mm.
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The Citizen CC3015 Japan edition Satellite Wave models have the simplest dial I have seen on a GPS watch, more so than any other Seiko Astron I have come across.
 
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#24 ·
gangrel said:
I have a Seiko RF that's a couple years old; the lack of auto-adjust for DST is, I agree, an annoyance. I'd be curious to know if the new movement fixes this; that Astron Verdict posted looks pretty nice.

I don't have a GPS watch at this point; that may finally change. Historically, they've been a) too big, and b) too busy...I don't like a mess of subdials and such. The 3X Astron family may change that. Citizen doesn't have anything all that close; the CC3050 familiy isn't too busy but still...not my cuppa. And it's 43 mm. I'm also not sure Citizen is particularly vested in doing a 'simple' GPS, when they've got so much invested in TC. GPS' implicit capabilities makes for a great travel watch...which means more dial goodies. (Seiko's TC watches are now, I believe, all under the Grand Seiko or Credor umbrellas.)
[/QUOTE

The Citizen Promaster Eco-Drive Satellite Wave GPS CC3005-85E, which i am wearing now, has a single subdual at 7-8. Pretty clean. Example: Citizen Eco Drive Black Dial Stainless Steel Men's Watch CC3005-85E
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#26 ·
time4d said:
The Citizen CC3015 Japan edition Satellite Wave models have the simplest dial I have seen on a GPS watch, more so than any other Seiko Astron I have come across.
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The JDM titanium CC3010 and CC3015 are cleaner than the stainless steel CC3000 and CC3005, because they don't have "Eco-Drive" and "Satellite Wave" on the dial; and they have the cities on the chapter ring instead of the bezel. However the cities on the chapter ring are high contrast and stand out. Also they still have that extra subdial for the day and power reserve.

I think the 39mm Seikos have a much cleaner dial. They look like simple 3 handed / date watches (especially the SBXD005/SSJ005 and SBXD003/SSJ003) Take a look at this thread:

www.watchuseek.com

Anyone have one of the new 39mm titanium Astrons?

Very very very little info out there about these. Anyone have one in hand??? This thing is pulling hard on my heart strings. Lots of great quartz tech in a perfect for-me size of 46.1mm lug to lug, 39mm case, 12.3mm thick. Titanium case/bracelet, ceramic bezel, sapphire crystal, 200m, solar...
www.watchuseek.com www.watchuseek.com
 
#27 ·
Ok you are right, that is really minimalistic. Haven't seen that model before. But I personally wouldn't want it as people may very easily mistake it for a cheap Seiko (or Citizen)
 
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#28 ·
time4d said:
Ok you are right, that is really minimalistic. Haven't seen that model before. But I personally wouldn't want it as people may very easily mistake it for a cheap Seiko (or Citizen)
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The only people who would mistake it for a cheap Seiko are people who don’t know enough to have an opinion worth caring about. They’re made in the same plant as the 9F and Spring Drive powered Grand Seikos (the case is even shaped like some Grand Seikos). They’re super nice! Not quite Grand Seiko, but definitely really nice. I’ve got this one and really like it. But I don’t buy watches to impress other people, if I were doing that I wouldn’t have any Seikos.

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#29 ·
Unfortunately, radio-controlled watches won't work everywhere; a GPS watch is a winner if you travel a lot or live where a radio-controlled watch doesn't cover. My Citizen GPS watch with F950 caliber automatically updates itself when under the sky once a week; since movement accuracy is +/-5 sec in a month without a signal reception, it seems that auto-updating less than once a week is not needed.
 
#30 ·
shez58 said:
Unfortunately, radio-controlled watches won't work everywhere; a GPS watch is a winner if you travel a lot or live where a radio-controlled watch doesn't cover. My Citizen GPS watch with F950 caliber automatically updates itself when under the sky once a week; since movement accuracy is +/-5 sec in a month without a signal reception, it seems that auto-updating less than once a week is not needed.
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My Astron (not sure if they all work this way) updates once a day. Whenever it gets enough light to think it's outdoors it updates itself, it only takes about 4 seconds.
 
#31 ·
The only GPS solar I’m aware of that isn’t over 40mm is the Seiko SSJ / SBXD series. Anyone know if there’s any other GPS solar 40mm or under?

The 39mm Seiko looks like it can double as a decent dress watch as well (vs typical GPS solar designs).
 
#34 ·
FYI to all - I ended up getting the 39mm SBXD GPS solar months ago. It's incredibly convenient, and the technology is crazy-good, robust and reliable. I've stuffed it in a travel case for days without light, forgotten it in a dark room without light for a week while wearing other watches, taken it across the international date line 9 time zones away, etc. -- the energy level has somehow always shown full, and the various ways of manual or automatic sync are versatile and surprisingly reliable. It's the most versatile, most convenient and reliable grab-and-go I have.

solo-act said:
The only GPS solar I’m aware of that isn’t over 40mm is the Seiko SSJ / SBXD series. Anyone know if there’s any other GPS solar 40mm or under?

The 39mm Seiko looks like it can double as a decent dress watch as well (vs typical GPS solar designs).
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#36 · (Edited)
devatstator3 said:
Even if radio watches don't work everywhere, I'd you have a phone you can use the SyncTime app which emulates the signal normally sent by the towers to sync in your country.
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You just revived 12 threads to promote the same non-free app, making random, somewhat contradicting claims about how you use it, and sometimes claiming other apps aren't good. Are you just a REALLY happy user, or are you the developer?
 
#37 ·
My Astron SSJ003 GPS does not reliably sync in a regular house but my Oceanus radio always syncs. They typically sit right next to each other. The Astron will sync when taken outside.

So for me anyway with house in the Mid-West USA and apartments in Scottsdale, atomic radio is more reliable vs GPS.
 
#38 ·
sdiver68 said:
My Astron SSJ003 GPS does not reliably sync in a regular house but …The Astron will sync when taken outside.
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Yes - thats the GPS thing; it needs to see enough sky. If I put mine in a windowsill and tilt it to face the sky, it’ll sync. However, I don’t do that because I wear it often enough (and leave the house when I do) that it stays more accurate than my other Quartz.
 
#40 ·
GPS is great, but I found that not for its advertised purpose. They market it for the globtrotters, travellers, as kind of "aspirational product". Well, in my experience, GPS position sync does not work from the inside of an airplane, in a terminal, inside a busy airport. So unless wants to stand around for a few minutes on the open runway (position sync takes more time than just time sync), they aren't any more convenient than just (1) swapping the home time and world time, (2) switching timezones manually or - horribile dictu - (3) setting the time from your phone that will have the correct time as soon as it has reception. All three can be done right from the airplane.

The first time I landed in a different timezone wearing a GPS Astron I was excited to finally use its specialty. To my dismay GPS sync didn't work even from the runway (it was overcast in wintery Moscow...), only a good half hour later from the taxi. Go figure.

Having said that, a GPS watch syncs time as soon as it sees light, its a fantastic feature. I'm here especially because I'm eyeing a satellite wave Attesa.
 
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