Casio - Digital Quartz Stainless Steel Illuminator B640WD-1AVDF B640WD-1AV Unisex Watch - Silver/Black
Model: B640WD-1AVDF
SKU: 12172540
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Unlike many vintage-style Casios (like the A158 or A168) which are only "Splash Resistant," this model is rated for 5 bar. This means it is safe for showering and surface-level swimming, making it much more durable for daily wear.
Unlike standard watches with a central sweeping hand, this model features a dedicated sub-dial for seconds located between the 4 and 5 o'clock positions, adding a unique asymmetrical visual interest.
The dial features a distinct, granular texture that catches the light differently at every angle. The warm apricot/salmon tone makes it a versatile piece that works for both casual and formal settings.
The face is protected by sapphire crystal, which is second only to diamond in hardness. This ensures the watch remains clear and free of scratches even with daily wear.
The back of the watch features a mineral glass window, allowing you to see the mechanical movement, gears, and oscillating rotor in action.
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The NJ0200-50Z is Citizen’s answer to the modern demand for "affordable luxury." By utilizing Super Titanium (though this specific 50Z reference is often the stainless steel variant of the design language), Citizen focuses on a lightweight feel and sharp, brushed finishes. It bridges the gap between a rugged tool watch and a sophisticated dress watch, making it a "GADA" (Go Anywhere, Do Anything) timepiece.
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