This is a vintage Casio AD-520 "Smiley" analog-digital watch from the late 1980s or early 1990s. Model: Casio AD-520, known for the "smiley" face digital display cutout. It is an Ana-Digi (analog and digital) dive-style watch featuring a rotating bezel, alarm, and chronograph functions. Water Resistance: Typically rated for 100 meters. This watch is a sought-after collectible among vintage Casio enthusiasts for its unique design and diver styling. Please review my photos and video as they are part of description Thanks
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