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whats the definition of a good lume

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Posted: Fri May 12th, 2006 02:25 pm

nohackle
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Guys,

I apologize for the basic and perhaps stupid question but I couldn't find anything on a search.

When watches are described as having a "good lume" what exactly does that mean.?

a) lasts for 4 hrs after being in the sun all day?

b) lasts 6 hrs?

c) you're right, that is a stupid question :)

thanks as always boys

bill

Posted: Fri May 12th, 2006 03:50 pm

oagaspar
Site Founder

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Location:	Akron, USA
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nohackle wrote:
Good Question Bill ! Last Year there was someone Who did a Lume comparison between several popular Watches on WUS...unfortunately that is all lost since WUS crashed

There are several different types of Luminosity...Tritium,Super Luminova,and Glow Tubes..among I'm sure many others :P So Far I have had MY Seiko Monsters last @ 6Hrs. on a charge,as well as My Timefactors Broadarrow...The Ball Timepieces with Glow Tubes Boast a Much Longer Lume Life as Well as the Tag Aquagraph which claims 8hrs.....I believe the Test that was Done on WUS had a Watch that over a 12 hr. period still had a Nice Lume...Maybe someone else remembers here ? I can say though that the Seikos Monsters have been among the Brightest..so if You are getting between 4-6hrs on a Sunlight charge You are doing pretty good...I have some that peter out after a few minutes:P:PMaybe EricA , JohnnyP,or Cheeps have some input

Guys,

I apologize for the basic and perhaps stupid question but I couldn't find anything on a search.

When watches are described as having a "good lume" what exactly does that mean.?

a) lasts for 4 hrs after being in the sun all day?

b) lasts 6 hrs?

c) you're right, that is a stupid question :)

thanks as always boys

bill

Posted: Fri May 12th, 2006 04:39 pm

e.avery
3T WIS

Joined:	Tue Apr 4th, 2006
Location:	Kentucky USA
Posts:	2722
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Slang for good luminosity defined loosely as the quantitative measure of brightness of a light source or an illuminated surface. That is as close as I can get from memory. It is the markers ability to store and release photons of energy in the visible spectrum or just how bright for how long as Oscar said.

Posted: Fri May 12th, 2006 06:05 pm

scamp
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Location:	Massachusetts USA
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Watchrick did this comparison a while back

http://www.watchuseek.com/cgi-bin/anyboard.cgi?fvp=/classics&cmd=get&cG=13035383&zu=31303538&v=2&gV=0&p=

Posted: Sat May 13th, 2006 10:51 am

nohackle
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Thanks gents, thats very helpful ........I decided on the RLT diver I mentioned previously and was just curious how the lume stacked up against other watches.......it is pretty good and I'll post some pics soon and happy to give you my impressions which, seeing that this is my first 'real' watch, should probably be taken with a grain of salt:)

Bill

Posted: Sat May 13th, 2006 10:56 am

oagaspar
Site Founder

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nohackle wrote:
Bill...I'm looking forward to Your Review and Pics of the RLT

Congrats on Your 1st Real Watch and the 1st I have seen with a RLT...so You Never Know ...You may start a RLT Epidemic as many WIS jump on New Brands that we haven't seen ! So Consider Yourself OUR test Subject

Thanks gents, thats very helpful ........I decided on the RLT diver I mentioned previously and was just curious how the lume stacked up against other watches.......it is pretty good and I'll post some pics soon and happy to give you my impressions which, seeing that this is my first 'real' watch, should probably be taken with a grain of salt:)

Bill

Posted: Sat May 13th, 2006 11:07 am

KenC
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I believe that Seiko sets the standard for lume (well, except for tritium tubes). Most will last thru the night with a lite light charge (say that 20X real fast).

I have also had also had good results with Poljot and Trias..............my worst result, strangely, are with Rolex, Breitling and Movado!

Posted: Sat May 13th, 2006 04:20 pm

CHEEPS
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Location:	Bill Kelly Rehabilitation House, MN, Minnesota USA
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1.) Soft music............Luther Vandross, George Benson, Percy Sledge, Al Green, Barry White, etc.
2.) Candles...................lots of candles !
3.) Vino, preferably a sweet Italian chianti, etc.
4.) Mood lighting.
5.) Satin sheets. (Can be silk!)
6.) Incense burning in several locations!
7.) Fragrence oils and lotions.
8.) Strawberries and chocolate dipping sauce.
9.) ............................wait a minute!

I'm sorry..................you were asking about a good "lume", NOT a good...............

X!?#X!? ......................(???) MY BAD!

:cool::cool::cool:

:dude:CHEEPS

VOTE FOR LOTZLESDAPRAVUHTEE

Posted: Sat May 13th, 2006 08:34 pm

jakisbck
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CHEEPS wrote:
1.) Soft music............Luther Vandross, George Benson, Percy Sledge, Al Green, Barry White, etc.
2.) Candles...................lots of candles !
3.) Vino, preferably a sweet Italian chianti, etc.
4.) Mood lighting.
5.) Satin sheets. (Can be silk!)
6.) Incense burning in several locations!
7.) Fragrence oils and lotions.
8.) Strawberries and chocolate dipping sauce.
9.) ............................wait a minute!

I'm sorry..................you were asking about a good "lume", NOT a good...............

X!?#X!? ......................(???) MY BAD!

:cool::cool::cool:

:dude:CHEEPS

VOTE FOR LOTZLESDAPRAVUHTEE

That sounds like someone special is coming over and your going to make your move ...............Barry White does it all the time. (guaranteed)

Posted: Sun May 14th, 2006 02:24 pm

mikiehorn
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Seiko Monsters:dude: and Luminox NavySeals (Gas tube):cool: would be my best bet for the money for lume on the wrist. Both are affordable.

The Eco-zilla is a favorite on my one hour dives. ;)

I can't afford the ones tested with inferior lume (except if we're talking Invicta). I'm sorry - can I still say that word on this forum?:shock: (j/k)

Last edited on Sun May 14th, 2006 02:25 pm by mikiehorn

Posted: Wed May 17th, 2006 07:02 pm

nrg
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Here's an article I borrowed from another website describing Tritium Vials, like those found in the Ball HydroCarbon, Luminox etc....

"So, what exactly are the tritium vials? In brief and very basic terms: tritium vials (gaseous tritium light sources) are sealed glass tubes, the inner surface of which are coated with phosphor. The sealed tubes are filled with gaseous tritium which emits electrons which in turn excite the phosphor, causing it to glow. Thus, no external light source is required to charge the tubes and they will continue to glow constantly. For how long? Tritium in this form has a half life of 12.3 years which basically means that half the existing glow will be lost after a further 12.3 years. For all intents and purposes, one could expect a useable glow from the tubes for 12 to 15 years from new/fresh."

Guys,

I apologize for the basic and perhaps stupid question but I couldn't find anything on a search.

When watches are described as having a "good lume" what exactly does that mean.?

a) lasts for 4 hrs after being in the sun all day?

b) lasts 6 hrs?

c) you're right, that is a stupid question :)

thanks as always boys

bill

Posted: Thu May 18th, 2006 01:31 am

oagaspar
Site Founder

Joined:	Sun Sep 4th, 2005
Location:	Akron, USA
Posts:	28914
Status:	Offline

nrg wrote:
Ty Glen...! This is very interesting since the Vials are always "Full Lume" then they would Naturally beat out any other form of Lume on every watch other than Those using the Vials...Great Info Here's an article I borrowed from another website describing Tritium Vials, like those found in the Ball HydroCarbon, Luminox etc....

"So, what exactly are the tritium vials? In brief and very basic terms: tritium vials (gaseous tritium light sources) are sealed glass tubes, the inner surface of which are coated with phosphor. The sealed tubes are filled with gaseous tritium which emits electrons which in turn excite the phosphor, causing it to glow. Thus, no external light source is required to charge the tubes and they will continue to glow constantly. For how long? Tritium in this form has a half life of 12.3 years which basically means that half the existing glow will be lost after a further 12.3 years. For all intents and purposes, one could expect a useable glow from the tubes for 12 to 15 years from new/fresh."

Guys,

I apologize for the basic and perhaps stupid question but I couldn't find anything on a search.

When watches are described as having a "good lume" what exactly does that mean.?

a) lasts for 4 hrs after being in the sun all day?

b) lasts 6 hrs?

c) you're right, that is a stupid question :)

thanks as always boys

bill

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