The CASIO B640WB‑1A is a stylish unisex digital watch from Casio’s Vintage collection that blends classic retro design with modern everyday functionality. Its sleek all‑black look — featuring a black ion‑plated stainless steel band and a compact resin case — makes it versatile for both casual and semi‑formal wear. The digital dial is easy to read and enhanced with an LED backlight for visibility in low light. This dependable timepiece offers a useful mix of practical features including a stopwatch, countdown timer, alarm, full calendar, and more, backed by reliable battery performance. Ideal for daily wear and lovers of timeless Casio style, the B640WB‑1A delivers comfort, functionality, and durability.