Key Takeaways
1. Casio is offering two new versions of the A158, the WEM-3JF and WEM-7JF, with woven stainless-steel mesh bands, priced at ¥7,700 (about $50) each.
2. The new models maintain the classic square case design but feature an upgraded mesh bracelet with a unique press pattern and a Nakadome clasp for adjustable sizing.
3. The A158 WEM-3JF has a dark greenish face insert, while the A158 WEM-7JF features a lighter gray finish, both with a silver-toned case and brushed mesh band.
4. Functional features include a 1/100-second stopwatch, daily alarm, hourly time signal, and a 7-year battery life, with a water resistance suitable for everyday use.
5. Pre-orders are now available on Casio’s official website, with both models set to ship in November 2025.
Casio has started taking pre-orders in Japan for two fresh versions of the A158 that come with woven stainless-steel mesh bands. The A158 WEM-3JF and A158 WEM-7JF are priced at ¥7,700 (about $50) each, tax included, on the brand’s official website, and they are set to ship in November 2025.
Upgraded Design Features
The introduction of the mesh bracelet is a significant enhancement for these models. They keep the A158’s classic square case design but pair it with a finely woven metal band that has a unique longitudinal press pattern. Photos reveal the intricate weave of the bracelet that elegantly hugs the wrist, featuring a versatile Nakadome clasp for easy adjustments within a wrist size range of 150 to 205 mm. Both models boast the well-known chrome-plated resin case and printed bezel text that have characterized the A158 line since it began, yet the mesh band elevates the style to a more dress-casual vibe without a hefty price increase.
Color Variants and Specifications
The two new variants mainly differ in the colors of their dial surrounds. The A158 WEM-3JF showcases a darker, greenish face insert, while the A158 WEM-7JF opts for a lighter, neutral gray finish. Both models feature the same silver-toned case and brushed mesh band.
Their dimensions remain compact, measuring 36.8 × 33.2 × 8.5 mm. Weighing in at just 52 grams, the lightweight nature is due to the use of a resin case and plastic glass instead of heavier mineral or sapphire options. The case and bezel are made from resin with chrome plating, which helps keep the cost down while still providing a metallic appearance. The battery is expected to last around seven years during normal usage, powered by a standard CR2016 cell. The water resistance is described as “waterproof for everyday use.”
Functional Features
The module features a 1/100-second stopwatch that can measure up to 60 minutes, as well as lap and split timing functions—perfect for interval training or cooking tasks. It includes a daily alarm and an hourly time signal, plus options to toggle between 12 and 24-hour displays to fit personal or regional preferences. The accuracy of timekeeping is rated at an average monthly deviation of ±30 seconds, which is normal for entry-level quartz digital watches in this price range. An auto-calendar feature helps minimize manual date adjustments, and the LED backlight emits a green light for easy visibility at night.
Pre-orders for both models are now available on the official store, with a shared release date in November 2025.
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