Blancpain

the reason behind the slight difference in color between the hands and numerals on this recently acquired 2185F which I believe is from 1999. I wasn’t able to capture it so well in photos but it is more apparent on the wrist. Under normal lighting conditi...  

Explains the different grades and types of luminova www.keepthetime.com Please do tell if this answers your question and what grade luminova do you think are on the hands and numerals.

The only explanation I could think of, is that they came from different batches and there is differences in either age or manufacturing process. If Blancpain keeps an old stock of spare parts, individual pieces can age at a different rate.

But before that I don’t know.

A watch of this age should generally have aged lume and aged hands. On mine, which I believe is all original, lume is vanilla-creamy on numeral and hands, all match in daylight, but hands glow far brighter than numerals in dark. My guess is the hands are ... 

I was previously not a chronograph guy but once I entered my “chronograph phase”, the Blancpain flyback was near the top of my list. To top it off, this one was in nice condition and still under service warranty as well.

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For me, the 38mm Lemans are nearly just right.

but I've noticed that on this model before. Lovely watch, by the way! I've owned it twice in steel and once in titanium, foolishly no longer have one.

I have the same reference and love it so much. I wouldn’t even worry about that slight difference in lume. It’s a beautiful chronograph and I really wish they’d bring back the Leman line. Here’s mine… ...  

I was more curious about it than anything else. But I’m definitely not going to worry about it. Great watch you have there!