I have also heard the sa4130 exclusivity is time specific and close to coming to an end.
I have 11 daytonas, including noob, arf, JHF, BP, hell if even got one of the old F520117 cases. I've got gen dials, bezels, hands, crystals, all sorts.
MOVEMENT
NOOB - The noob movement is very good. Very solid. Sometimes some issue with the gears but nothing major. Good materials.
ARF - A thin sec at 6 7750. No working chrono is the least of your worries. The watch will almost certainly start losing time quickly. They're rubbish. The deco plate is laughable, they have glued the rotor screw on and it's a crap movement even in gen. I just don't like them.
JHF - Is like a hybrid between the ARF and old transferred gear trains. Thick and probably very unreliable. Feels nicer to wind than any ARF I've had though.
BP/Old NOOB/ F520117- 7750 with sec@6 gear transfer. Was the movement to have once upon a time. Til they all failed.
CASE
NOOB - The thickness is fantastic and the rehaut is a million miles closer to gen than ARF.
The problem is the finish. I have four noob cases and they are all the same.
Even with tight sels they are absolutely nothing like the gen if you know what you're looking at. There's no curvature at all, they're just slabs of metal. They look more like GMT cases than daytona. The edges look like they've been cut with a chainsaw.
I've put a CF bezel, ARF dial, gen crystal and gasket and gen hands and crown on my noob 116500 and I still refuse to wear it out until I can get the case reshaped to how I want it. People obsess over the sels but the sharp edges are far more indicative to me.
ARF - Far more gen like but crown position and rehaut let it down. Older versions had incorrect pusher angles. Geometrically better. Slightly fatter caseback. I've worked an ARF case to 13.6mm. Still wouldn't use it unless you're removing the rehaut. Won't take 4130 easily.
F520117 - Actually not bad. I measured it in at 14.6mm. For a 12 year old rep that deserves some kudos, but it's not gen spec. Curves are better than new noob. Geometrically quite good.
JHF - Fat. 15.3mm haha. Rehaut better than ARF, worse than noob. Pushers laughable. Dhgate quality. Caseback looks like it's been engraved on the inside with a carving knife.
DIAL
NOOB - No matter how hard they try, they just can't get the dials right.
The donut O in ROLEX is a joke, although far less obvious on the wrist. What is obvious is the finish. I have two gen rollies here. The high Polish on the indices is emblematic with Rolex. The noob just looks, meh.
ARF - As good as it gets. Dial is beautiful.
M Hall did a great analysis that took my initial analysis into greater depth. Most of my analysis has been with the gen in hand. Unfortunately this means few (but some) photos. You'll have to see the few photos I uploaded before and take my word for it. ARF smashed it.
BP - The best dials after ARF. The problem is they have a large hole in the middle for the hand stack. Otherwise there's not much wrong with them.
JHF - Surprisingly good. I can tell they're rep but I stare at these fuckers every day
F520117 - Funny. Really shit. Rep world has come a long way.
CRYSTAL
NOOB - V2/2.2 were milky. V3 seems better but I haven't seen it. Gasket is too thick. Needs a gen or ARF gasket as it protrudes with the stock noob. Reports some v3's have fixed this.
ARF - Not gen but very good. Clarity and refinement good.
JHF - Edges are less refined but clarity ok
F520117 - Didn't have a gasket haha. Milky AF but in all fairness, older than my eldest daughter.
HANDS
NOOB - shit. Passable to most until you put a loupe over them. Not good enough for me.
ARF - also shit. Better than noob but not working subdial means incorrect pinion on one hand. H&M are reasonable.
BP - I'm spoiled. I only use gen hands. Shit.
BEZEL
CERAMICS - CF BEST. ARF and NOOB V3 FINE. Everything else - shit.
STEEL - Phong best. Then ARF. Then Noob.
BRACELET
ARF best. Noob bit hit and miss. Others were crap.
There you have it. Oh yeah one more - plating:
BP- 10 years old. Looks the colour of piss but no blemishes!
ARF and NOOB - not very thick, I've had cases from both that have had to be stripped
JHF - probably sharpie. Laughable.
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