Upgrading to a Sapphire Crystal on the Seiko SKX007 Dive Watch - Watch and Learn #27 

In today's episode of watch and learn, we will show you how to upgrade the hardlex crystal on the Seiko SKX007 to a scratch resistant sapphire crystal. It's a simple upgrade that requires just a few tools and a bit of know-how.
The same technique applies to many Seiko divers, such as the SKX009, SKX173, SKX175, etc. The aftermarket is full of options to upgrade your Seiko diver, so this is just the start!
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