Watch opener test: Which caseback removal tool is best?

With several watch openers available, what's the best watch caseback removal tool? I wanted to do a comparison review so I tested four types – the result was not what I expected.

00:00 Intro
01:03 Watch preparation
01:39: Blu-Tack / Rodico
02:17 Watch opener ball
02:59 Travel caseback opener
05:11 Wrench-style caseback opener
07:37 Test result

—
About Mizeni:

I love Japanese watches, in particular Seiko. This channel shows a few of the watches I’ve owned, and I run a website with details of hundreds of Seiko movements:
https://mizeni.com/?ref=youtube

You can also sign up to the Seiko Collector Weekly newsletter, and get a free PDF of auction tips for Seiko watches:
https://mizeni.com/newsletter?ref=youtube

#Seiko

Видео Watch opener test: Which caseback removal tool is best? канала Mizeni – for Seiko collectors