One of the unusual features of this watch is the steel screw-on case back that threads into the plastic case of the watch. From a series of Casio Marlin watches released in the early 1980s that all share the same case design: W-100, W-200, W-300 and W-400. The W-400 features the same Module 106 as the first Casio Marlin watch, the H-101. Blue stripe on crystal - most common Orange stripe on crystal - rare version
WOE Dispatch – tagged #Rolex
HOW TO RESTORE 1983's VINTAGE CASIO W-650 MARLIN ( MODULE 181 ) DIGITAL WATCH
Casio Module 548, DigitalWatch Wiki
File:Casio W-86 digital watch (front closeup minor retouch).jpg - Wikipedia
Personalised Double Guitar and Plectrum Stand - MIJMOJ, guitar
Show wear and scratch. Ready to use or collection. See pictures for details. You will install battery your self. ⚠️ has an issue at the last digit.
Casio Marlin Digital W-400 module 106 JAPAN made Vintage 1984/ Rare / READ⚠️
HARRIS Fundente Libre de Plomo , 2 oz. , Tipo Pasta - Fundente
HOW TO RESTORE 1983's VINTAGE CASIO W-650 MARLIN ( MODULE 181 ) DIGITAL WATCH
Casio W-200 Marlin, DigitalWatch Wiki
WOE Dispatch – tagged #Rolex
What innovative contemporary quartz watches are there?
PRO TREK CASIO - Available Online
Show wear and scratch. Ready to use or collection. See pictures for details. You will install battery your self. ⚠️ has an issue at the last digit.
Casio Marlin Digital W-400 module 106 JAPAN made Vintage 1984/ Rare / READ⚠️
Casio W-48B, DigitalWatch Wiki