Casio W-200 Marlin, DigitalWatch Wiki

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, W-400. The W-200 features an unusual "racetrack" graphic on the crystal. Black case and strap, grey stripes on crystal - most common Orange case and strap, orange and yellow stripes on crystal - rare version Blue case and strap, blue stripes on crystal

CASIO - w-200 - Marlin. Released in 1984 Vintage Digital Watch - Brought to you courtesy of DigitalWatchLibrary.com

Casio Module 108, DigitalWatch Wiki

Watches from Timex, Digital, Analog, & Water Resistant Watches

Casio Marlin

The History of Timex: The Watch for Everyman • The Slender Wrist

WOE Dispatch

3 Ways to Wind a Watch - wikiHow

Question] Analog watches struggle : r/Watches

How to use the Tachymeter CITIZEN WATCH Global Network

Hands-On With The Casio Duro MDV106-1A

Casio Watches

Vintage Casio DW-200 Marlin Module 181 Mens Watch Japan Made Works Fine

Casio Watches

OCEANUS

Watches from Timex, Digital, Analog, & Water Resistant Watches