The Casio Classic Analog-Digital (reference AQ-230A-1D) is a 29.8mm stainless steel with a quartz movement and 30m of water resistance. It carries a black dial. Its original retail price (MSRP) was $35.
Confirmed secondary-market sales WristWorth has tracked for this reference.
Casio entered watchmaking in 1974 and changed the game with the G-Shock in 1983 — a watch engineered to survive a 10-meter drop, 10-bar water resistance, and 10-year battery life (the 'Triple 10' standard). Engineer Kikuo Ibe spent three years dropping prototypes from the third floor of a building until the shock-resistant module worked. The G-Shock became a cultural icon across military, hip-hop, extreme sports, and streetwear communities. The metal-cased GM and MRG lines elevate the concept to luxury territory. With over 100 million G-Shocks sold, Casio proved that durability and accessibility aren't compromises — they're features.
Baby-G Analog-Digital
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Baby-G Sport Pink
BGA-310-4A
Baby-G Step Tracker
BGS-100RT-1A

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Classic Blue Dial
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The Casio Classic Analog-Digital (reference AQ-230A-1D) had an original retail price (MSRP) of $35. Secondary-market values vary with condition and availability.
The AQ-230A-1D runs a quartz movement.
The AQ-230A-1D has a 29.8mm Stainless Steel case, water resistant to 30m, with a black dial.
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