The Casio POP Digital Black Bio-Based Resin Strap Quartz F-91WB-1A Unisex Watch is a sleek and eco-conscious timepiece, designed with a lightweight profile and minimalist digital LCD display. Measuring 38.2 × 35.2 × 8.5 mm, the durable resin case and bezel offer long-lasting wear, while the bio-based resin strap provides an environmentally responsible option.

This watch features a reliable 1/100-second stopwatch, allowing users to measure elapsed and split times with ease. Additional functionalities include a daily alarm, hourly time signal, and a convenient auto-calendar set for February’s shorter days. The LED light ensures visibility in low-light settings.

Powered by a CR2016 battery with an impressive 7-year lifespan, the watch ensures accuracy with a tolerance of ±30 seconds per month. Its water-resistant design adds further practicality, making it a versatile accessory for those seeking both style and function.