A quick trick for checking if a dial correctly matches the movement that it is attached to.

A quick How-To guide for locating these numbers on your Polarouters and Polerouters.

Some thoughts on the potential origin of non-polerouter dials.

How to differentiate between some of the early reference plexis.
SPOILER ALERT: All Polarouter/Polerouter plexis are signed!

What is a US-market Polerouter? Here is a short summary, and tips on how to identify them.

What is a Polarouter? What is a Polerouter? How to tell the difference, and small changes within the early production period.