Seiko "Sea Urchin" SNZF Automatic Watch Discussions | Drop

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A community member

Jul 17, 2018

In 2018 getting a hand windable/hacking movement at this pricepoint should not be an issue. Sadly Seiko hasn't upgraded this entry watch as of yet. NH36A anyone? Even my cheap Invicta has a better Seiko movement than this one? I wonder if a NH36A could be transplanted to this case?

JTrubs

195

Jul 18, 2018

Short answer: Yes, an NH36/4R36 movement can be transplanted into the SNZF case, it's pretty much a drop-in fit.
Longer answer: With the proper tools and know-how it can be done. ;-) The dimensions of the 7Sxx and NHxx calibers are nearly the same if not exactly identical; for the most part, and lucky for us, a lot of the modern Seiko movements are somewhat interchangeable, even down to the individual parts. A quick look through the online watch-enthusiast forums will turn up a number of threads on modding Seikos and other watches, including changing out the movements. The biggest obstacle would be that you might need to replace the stem (and possibly the crown as well) to fit the new movement properly. A good watchmaker or jeweler, or someone with the proper knowledge should be able to take care of it pretty handily. Cheers!

shooteur

121

Jul 19, 2018

The newer SRPB87, SRPB89, SRPB93, etc has the newer movement with windable hacking, which is a mix between this watch and the Seiko 55 fathoms one.
Been awhile between drops however. https://www.massdrop.com/buy/seiko-5-sports-diver-srpb-automatic-watch

Cloaca

1906

Aug 9, 2018

Which do you think is better, the $85 Invicta, or this $130 Seiko? Or just get one of each?

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A community member

Aug 9, 2018

CloacaWithout a doubt you get the better and upgraded movement in the Invicta (and yes: it's a Seiko movement so Seiko quality). Let's face it: handwinding and hacking are just way more convenient if you have more than one automatic and no auto winder. So hands down more bang for your buck with Invicta. Having said that: the appeal of Seiko as a brand, to me, will always be greater. However; something I do not like that much about the newer Seiko 5 models, is that they lost the iconic 4 o'clock position of the crown. The SNZF has a traditional 3 o'clock crown and a more 'generic' faux-Rolex look. Hence to me less appealing. Having said that: I do have a I have a (blue) SNZH53K1 ("Fifthy Fathoms") that has the same movement (no hand winding/hacking) and a 3 o'clock crown that I do think still stands out - just to prove how personal taste can be ;-) Anyway: for that reason alone (more iconic design) I have two SKX's that do have the classic 4 o'clock position (a 007 and 009 pepsi). And both are non-handwinding/hacking but I just adore both of them.... So back to which one you should get: I think you will find value in both. And it still remains a matter of personal taste. I can't look into your wallet and say: get both. I would say: if one really stands out to you, get it. If you are "iffy" about either, don't. I'm sure more opportunities for good deals will present themselves in the future ;-) Anyway: hope me rambling on helps ;-)

Cloaca

1906

Aug 9, 2018

My Orient M-Force has a 4 o'clock crown, and I like that, along with the power reserve display.
In one sense the lack of hand winding and hacking makes setting the time easier. I have some old Orients that are non-winding/hacking, and I just forget about the second hand altogether, which in any event is too small for me to read, and I just quickly set the hour and minute hand. Rather than have to wait until a second-hand-at-zero time, I just, for instance, set the minute hand halfway between the minutes if the time is about 30 seconds past.
You're never really sure exactly how fast or slow your watch is with these things.

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