SKX Slim Caseback: Brushed Black Finish


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The SKX is a chunky watch alright - if you ever wished you could reduce the overall thickness of the SKX, this slim caseback is perfect for you!

Our SKX Slim Caseback is a whopping 55% thinner (0.8mm vs 1.8mm) and 40% lighter (9g vs 15g) than our standard SKX caseback, and is rated to a water resistance of 5ATM. We have tested it ourselves with a 6ATM water pressure tester with no issues whatsoever. Not appropriate for actual diving - but it'll do great for desk diving, swimming pools, and showers. What, you don't shower with your watch on?!

Caseback Specifications:
Thickness: 0.8mm
Water Resistance: 50m


Compatible with SKX007/009, SKX013, and all the SKX-style cases that we sell on our website.

Fits Seiko NH movements (like the ones that we sell) with a Grey Spacer only.

Customer Reviews

Based on 81 reviews
Maciek (Gliwice, PL)
SKX Slim Caseback: Brushed Finish

So much lower watch and still decent waterproof

my ig:

5% namokimods discount promo code coupon:

RepairmanJack (Albuquerque, US)
Fit my SNK809 5 Automatic Perfectly

Reddit said that this back would fit my Seiko, it did, the gasket wasn't a good fit, but the back was perfect and makes the watch thinner and looks great.

Anonymous (Valenzuela, PH)

Goes perfectly with the NMK932 case. Slims down the watch so it sits down the wrist well.

Stuart S. (Okehampton, GB)
Slim caseback

Perfect fit, really works to slim the case profile down

Sam V. (Vancouver, CA)
Great Company!

Had a fitment issue at first. Namoki got it sorted lightening fast and were very helpful. Definitely will buy more products from them again. Very trustworthy.