My dad's old DW 5600. He's been working manual jobs all his life and this bad boy went without a bezel for quite a few years till he retired it. It passed
The Origin - Men - The Origin | G-SHOCK
G-Shock GM-5600 User Manual / Casio Module 3229
Gshock DW-5600 - Setting time and date tutorial - YouTube
Setting G-Shock DW-5600E manual for use - YouTube
G-Shock GBD-H2000 review: the everlasting hybrid smartwatch | Digital Trends