A W-30 my dad bought new! He wore it daily for years and I recently started wearing it some. All my other stuff is mechanical, so it's a nice change of pace.
X - Casio Marlin W-30 Swimmer Series Classic Rare Vintage Digital - G-Shock Vintage
Rare Vintage Casio W-30 152 Swimming boy Marlin Quartz watch Japan 1983 | eBay
Rare Vintage 1980 CASIO W-30 Showa Retro digital watch men | eBay
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Rare Vintage Casio W-30 152 Swimming boy Marlin Quartz watch Japan 1983 | eBay