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bigG · 3 January 2007, 10:56 AM

I have been reading various posts about subject and am a bit confused. It sounds like from reading various posts by fellow Sub owners that the watch retains its lumenesence (sp?) for quite some time in the dark (or under the water). I have a TT Sub/Date, 2004/2005, and when I leave the house and get into a dark car for instance, after a few minutes I see no lume, it seems to diminish pretty quickly. So questions:

1)Is there a standard amount of time that the dial should remain "lit" in the dark?

2)If it is longer than the few minutes I seem to be getting then what's up with mine? Could there be something wrong with it.

And before anybody asks I got it new at an AD so no chance it is not the real thing. Thanks for any help you can give me.

DIVER4USN · 3 January 2007, 11:05 AM

Sunlight does the trick. When I supervise a dive at work and am out in the sun for like 6hrs, my SD glows so bright when I get home that it is a little annoying. Interior light does not even come close.

JJ Irani · 3 January 2007, 11:13 AM

I've noticed that the lume comes up better in PITCH darkness. If there is some outside light, the luminosity diminishes.

JJ

mike · 3 January 2007, 11:28 AM

George, Unlike tritium or watches that use gas lights (luminox or Ball) luminova needs a light source to "activate". I've never felt Rolex lume was on par with other brands that use luminova (Seiko and Omega to name two). The reason for this, as I understand it is Rolex preference to have their markers and hands white as opposed to the normal slightly greenish hue of luminova. That seems to be a function of the paint matrix Rolex uses.

As Jason stated wearing the watch for a time in sunlight (UV rays) seems to be the best I've found, but certainly luminova will lose it's "glow" after a while and need recharged.

In my view, other factors equal, surface area is a big determining factor in how much lume one will have, but I doubt length of time will be impacted.
I don't believe there is a standard time luminova will glow but intensity seems to be affected by the above factors.

Here's a comparison based on surface area,

16610LV and 16610

I also agree with JJ in that I've found low ambient light can defeat a low glowing luminova dial.

tonelar · 3 January 2007, 11:34 AM

maybe your eyes are adjusting to the dark as you drive, after you think it's stopped glowing, look at it in a darkened room with no additional light sources.

I've heard 4-6 hours as the amount of time luminova will glow after charging 30 seconds in strong lighting.

finance21 · 3 January 2007, 12:54 PM

Buy an Omega SMP, it glows like a tourch.

3 January 2007, 12:57 PM

Buy a Seiko Monster and you don't need a reading light in your living room.

Launch Mini · 3 January 2007, 01:01 PM

Your eyes take a while to adapt to light conditions.
Driving at night is tough on the eyes. They will "shut down" for sensitivity with oncoming headlights. If you could close your eyelids for about 60 seconds & then check your lume, you would see it.
It should last through the night.

Gedanken · 3 January 2007, 01:04 PM

This may give you a bit more information about Luminova: http://www.rolexforums.com/showthrea...light=luminova

3 January 2007, 10:56 AM	#1
bigG Member Join Date: Jun 2006 Location: USA Watch: My TT Sub/Daytona Posts: 179	Lume Question I have been reading various posts about subject and am a bit confused. It sounds like from reading various posts by fellow Sub owners that the watch retains its lumenesence (sp?) for quite some time in the dark (or under the water). I have a TT Sub/Date, 2004/2005, and when I leave the house and get into a dark car for instance, after a few minutes I see no lume, it seems to diminish pretty quickly. So questions: 1)Is there a standard amount of time that the dial should remain "lit" in the dark? 2)If it is longer than the few minutes I seem to be getting then what's up with mine? Could there be something wrong with it. And before anybody asks I got it new at an AD so no chance it is not the real thing. Thanks for any help you can give me.

3 January 2007, 11:13 AM	#3
JJ Irani Fondly Remembered Join Date: May 2005 Real Name: JJ Location: Auckland, NZ Watch: ALL SOLD!! Posts: 74,320	I've noticed that the lume comes up better in PITCH darkness. If there is some outside light, the luminosity diminishes. JJ __________________ Words fail me in expressing my utmost thanks to ALL of you for this wonderful support during my hour of need!! I firmly believe that my time on planet earth is NOT yet up!! I shall fight this to the very end.......and WIN!!

3 January 2007, 11:34 AM	#5
tonelar "TRF" Member Join Date: Dec 2006 Real Name: Tony Location: san francisco Watch: Seadweller Posts: 1,367	maybe your eyes are adjusting to the dark as you drive, after you think it's stopped glowing, look at it in a darkened room with no additional light sources. I've heard 4-6 hours as the amount of time luminova will glow after charging 30 seconds in strong lighting. __________________ It's a rarity that something popular is actually right... Wear 'em with PRIDE, y'all.

3 January 2007, 01:01 PM	#8
Launch Mini "TRF" Member Join Date: Jan 2006 Real Name: John Location: Canada, eh Watch: can I? Posts: 6,241	Your eyes take a while to adapt to light conditions. Driving at night is tough on the eyes. They will "shut down" for sensitivity with oncoming headlights. If you could close your eyelids for about 60 seconds & then check your lume, you would see it. It should last through the night. __________________ Something witty to go here. Member # 293

3 January 2007, 01:04 PM	#9
Gedanken "TRF" Member Join Date: May 2005 Real Name: Sir Location: Melbourne Watch: F-series SD Posts: 8,589	This may give you a bit more information about Luminova: http://www.rolexforums.com/showthrea...light=luminova __________________ You buy a Casio to make sure you're on time; you wear a Rolex because you don't have to be on time.

3 January 2007, 11:05 AM	#2
DIVER4USN "TRF" Member Join Date: Dec 2006 Real Name: JASON Location: Chesapeake, VA Watch: 116660 Posts: 183	Sunlight does the trick. When I supervise a dive at work and am out in the sun for like 6hrs, my SD glows so bright when I get home that it is a little annoying. Interior light does not even come close.

3 January 2007, 11:28 AM	#4
mike "TRF" Member Join Date: Jul 2005 Posts: 22,683	George, Unlike tritium or watches that use gas lights (luminox or Ball) luminova needs a light source to "activate". I've never felt Rolex lume was on par with other brands that use luminova (Seiko and Omega to name two). The reason for this, as I understand it is Rolex preference to have their markers and hands white as opposed to the normal slightly greenish hue of luminova. That seems to be a function of the paint matrix Rolex uses. As Jason stated wearing the watch for a time in sunlight (UV rays) seems to be the best I've found, but certainly luminova will lose it's "glow" after a while and need recharged. In my view, other factors equal, surface area is a big determining factor in how much lume one will have, but I doubt length of time will be impacted. I don't believe there is a standard time luminova will glow but intensity seems to be affected by the above factors. Here's a comparison based on surface area, 16610LV and 16610 I also agree with JJ in that I've found low ambient light can defeat a low glowing luminova dial.

3 January 2007, 12:54 PM	#6
finance21 2024 Pledge Member Join Date: Dec 2006 Location: U.S.A Posts: 362	Buy an Omega SMP, it glows like a tourch.

3 January 2007, 12:57 PM	#7
Atomic Guest Posts: n/a	Buy a Seiko Monster and you don't need a reading light in your living room.

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