Casio G-Shock GW-5000-1JF Wrist Watch for Men 3159 JA Japan Vintage | eBay
Casio 3159 JA | WatchCrunch
Ordered the 5610-1 with the older 3159 module, received the 5610U-1CF with the newer 3495 module. I'm not complaining, and I only paid $90 👍 : r/gshock
CASIO G-SHOCK 3159 GW-M5610B Water Resist 20bar Stainless Steel Black B5570 | eBay