Seiko Diver’s 1965 Modern Re-Interpretation SPB143J1 / SPB145J1 / SPB147J1 / SPB149J1

Tom Schneider said:

Thanks for the reply. I'm still on the fence about just having my local guy do the adjustment or just send it in for warranty work as Seiko may take a different route than just adjustment. I'll make the decision over the weekend and decide.

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csong825 said:

So the bracelet is not going to work for me. The dive extension digs into my wrist. This is a really big thread so I haven’t read through it all but from what I can gather, the two most common alternatives are:

-Buy a bracelet from Strapcode. Downside is that it doesn’t quite match the case due to the lack of Diashield.
-Buy a MM300 clasp. I see a few listings on eBay but tough to know if they are truly OEM or fakes. The microadjust seems nice but the clasp also looks pretty bulky?

Any other options? Neither of the choices above seem ideal. TIA.


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csong825 said:

Did you just buy one off of eBay? I can’t tell if they are real or fake.


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fourcircle said:

I'm usually really, really good with my stuff. Is why I'm so bummed my coveted new watch has this defect so near the head, and I can't unsee it! Don't think I can just live with it (but thanks all for the encouragement). Something in me wants this brand new watch to be perfect. Tempted to run this back up to the dealer and see if they can buff it, but kinda scared they may make it worse... And THEN WHAT? They may have caused this problem to start with. (Btw I emailed Mark at Long Island said he thought it could be buffed). I have noticed, however, it seems these diashield watches have a slight umber tone to the metal, so buffing through that may present color differences. Another option is to buy a replacement end link. Anyone know where I can source an endlink online for the spb14x seiko bracelet? Are they easy to swap out myself?


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jam3s121 said:

Is the marinemaster 300 clasp the only one I could change this out to? I have no need for a divers extension and it makes the bracelet bulky on the bottom

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Mustang1972 said:

Thanks so do you prefer the watch on braclet overall then rather than straps ? Do you think keeping braclet and changing clasp would be an option rather than replacing braclet. It seems like they made the clasp with that silly extension just to comform to diving standards even though majority never use it for that 🙄

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Mustang1972 said:

Thanks for the suggestion 👍 os the MM300 good, do you know the best place to get them from separately?

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Mustang1972 said:

I have just installed and sized my bracelet on the spb143. I like it a lot more than I expected it feels very well balance and balances the head of the watch very well in the centre of the wrist. If feel a lighter bracelet would allow the head flop around the wrist more.
The braclet has a "jangly" sound but I'm sure that is the diashield coating on the links, this coating rubbing along side other links will sound very different to bare stainless steel links.
The bad part is the clasp it looks nice and is fine, its that ridiculous extension flap on the end. It looks a weird angle and makes clasp lot longer. It would be great if could remove this and have just the main clasp. Its annoying that very very few will ever use this feature and has been stuck on just to get certification, and its ruined the clasp in my opinion.

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Mustang1972 said:

Thanks I will maybe look at new clasp thankyou

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