Casio F-77w With 593 Module Japan for Sale in San Antonio, TX - OfferUp
CASIO F-91W (Module 593) - How to Set the Time, Date, Alarm and use the Stopwatch. - YouTube
Vintage Casio F-91W Module 593 Working Made in Thailand | eBay
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-78 (old module no. 593 with amber-colored light)