Casio Digital Watch F‑91WS‑2 — Blue Resin

Lightweight, stylish, and unmistakably Casio—the F‑91WS‑2 updates a legendary digital silhouette with a modern transparent blue resin finish. Recognized around the world for its reliability and retro‑cool aesthetic, this watch blends classic functionality with contemporary design that works in any setting.

Featuring a resin case and band, the F‑91WS‑2 is ultra‑light at just 21 grams, offering all‑day comfort and durability. The digital display includes 1/100‑second stopwatch capabilities, daily alarm, and hourly time signal, while the LED backlight ensures visibility in any light. Powered by a CR2016 battery with an impressive 7‑year lifespan, it’s a low‑maintenance essential built to last.

Designed for simplicity and utility, this model also includes a 12/24‑hour time format, auto‑calendar, and water‑resistant construction—hallmarks of Casio’s legacy in functional design.

Key Features

• Case size: 38.2 × 35.2 × 8.5 mm

• Weight: 21 g

• Case/bezel material: Resin

• Band: Transparent blue resin band

• Water resistant for everyday use

• 1/100‑second stopwatch (elapsed, split, and 1st–2nd place time modes)

• Daily alarm and hourly time signal

• LED light with green glow

• Auto‑calendar (set at 28 days for February)

• 12/24‑hour time format

• Accuracy: ±30 seconds per month

• Approx. battery life: 7 years on CR2016

With its crisp translucent design and trusted digital performance, the Casio F‑91WS‑2 brings retro minimalism into the modern rotation—an easy icon for everyday wear.