GF Nocti is not an exact match for C3, but very close to Seiko's Lumibright (Lumibrite? LOL). Here's a Seiko SNZH, with G15 behind the hardlex bezel, and stock Lumibright on the hands and dial:
BF Nocti is virtually exactly like BGW9 (which seems to be $80/gram?!??). I'll post a pic later of a Mako relumed with BF17, with a GEN Omega hour hand with BGW9. They are virtually *identical* in color, emission, and duration.
For now, here's a relumed Raffles dial in Nocti (90/10 BF/GF) next to a Gen 9300 PO Chrono with SL (BGW9 on dial, hour, sec; C3 on minute and pip). The relume is brighter, just as long:
(all shots by cheap phone, no time exposures or processing)
FWIW, the SL binder is a little easier for me to work with than the Nocti Binder 3 (which is also very good!). I'm very new to DIY luming, and defer to the more experienced, but hopefully this is helpful.

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