CASIO - A164W - Digital - Vintage Digital Watch - Digital-Watch.com
Found out what some of the solder points on the module 593 are for. Those three that are marked are for timing adjust based on that table. This picture is from a
Casio W-39 Watch Module 593 - Etsy Ireland
File:Old Casio A158W back.jpg - Wikimedia Commons
41J Blog » Blog Archive » Casio F91W dimensions
CASIO F-91W (Module 593) - How to Set the Time, Date, Alarm and use the Stopwatch. - YouTube