RARE CASIO F-88W LCD WRISTWATCH 593 MODULE ALARM CHRONO WORKS NO BAND EXC | WatchCharts
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RARE VINTAGE CASIO F-96W MODULE 593 JAPAN ALARM CHRONO - WORKING spare parts | eBay
Vintage 1987 Casio A159W Digital Alarm Chrono Watch - Made in Japan, Module 593 | WatchCharts
Casio W-39 Watch Module 593 - Etsy Ireland
CASIO F-91W (Module 593) - How to Set the Time, Date, Alarm and use the Stopwatch. - YouTube
Casio F91WM-3A - The legendary F91W in OD Green
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 - A164W - Digital - Vintage Digital Watch - Digital-Watch.com
Zona Casio: Diferencias entre los módulos del W-59 (590) y del F-91 (593)
CASIO F-91W-1S Module 593 Digital Watch Black Resin Band Men Watch Women Watch Youth Watch, Men's Fashion, Watches & Accessories, Watches on Carousell