That's a pain. I hope it starts working again.
If you can wait, Kyoto is going to be a lot easier to find, because they have big branches of Yodobashi and Bic Camera. They will have the KP, K-70 and K-1 at least. They no longer stock the K-3ii. Problem solved. Yodobashi lists the KP as 114,610 yen including the 8% tax, and the K-70 as 73,270 yen. Bic shows the price without tax, so it looks cheaper at first glance, but it’s the same. Since you don’t have a points card, you won’t be able to the 10% back in points, so I would suggest asking if they can do anything for you. They might reduce the price a little or add in some accessories.
If you have to buy in Kanazawa, I’m pretty sure you’ll be able to find a KP or K-70 somewhere but it’s a bit more difficult to suggest a shop that will definitely have one. I've never been there. Going in December as is happens. I took a look online for what is available in Kanazawa.
Kitamura Camera
There are a few branches of Kitamura Camera in Kanazawa. Some Kitamura shops are tiny and mainly focused on print services, but two of the branches in Kanazawa seem to sell new and used cameras. If they have a KP or K-70, it will probably be cheaper that Yodobashi/Bic. They are showing 103,150 yen for the KP and 65,940 yen for the K-70 on their website.
Kitamura Camera Kanazawa Asano Honmachi Branch
Location:
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Currently listed used cameras:
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Kitamura Camera Kanazawa Arimatsu Branch
Location:
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Currently listed used cameras:
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This is a general electronics store. I don’t really like this chain as a shopping experience, but I think there is a good chance they will have Pentax models. Yamada is quite slow to sell out old models, so they might still have a K-3ii. Also, they sometimes have good deals on the older cameras they are trying to clear out. The prices they show on their online store are similar to Kitamura.
Here is the main Yamada store in Kanazawa. Looks like it's a fair distance up the main road from the station.
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I hope you have a great time. They weather is a bit of a challenge with the typhoon passing, but it should get better after Monday. We've had so much rain this year. It's pretty unusual.