Casio’s W-221H is a new family of resin digital watches that combines a square, mid-size case with styling the company describes as inspired by the 1990s. Official listings place the W-221H-1AJF in Japan for February 2026, while Casio China lists three W-221H variants. Prices and availability depend on the market and exact suffix.
What is the Casio W-221H?
The model name is Casio W-221H. Casio presents it as an everyday digital watch with a “boldly angular design” and practical functions. The international specification page uses the W-221H-1AV as its example; other suffixes identify regional or color variants rather than a different watch family.
Casio Japan describes the design as carrying forward 1990s retro styling while pursuing a trend-conscious, mid-size and refined look. The visual cues include a square case, metallic-look bezel treatment, broad display, pixel-style weekday lettering and striped detailing where the band meets the case. See Casio’s Japan product page and China new-products announcement.
Release timing, variants and regional prices
There is no single confirmed worldwide launch date or universal price in the official material. The listings are market-specific:
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- EASY READER — LARGE TIME DIGITS FOR INSTANT READABILITY — Designed as an Easy Reader with large time digits and an LED backlight, the W-217H prioritizes one thing above all else — the ability to read the time quickly and effortlessly at a glance. Bold utilitarian colors and high-visibility dial design deliver an easy read in any lighting condition, making this an ideal everyday watch for anyone who values clarity over complexity.
- LED BACKLIGHT FOR LOW-LIGHT VISIBILITY — The amber-colored LED backlight ensures visibility in low-light conditions, allowing you to read the time even in the dark. Activates instantly at the press of a button — simple, practical, and battery-friendly for everyday use from early mornings to late nights.
- 1/100-SECOND STOPWATCH WITH SPLIT TIME — The 1/100-second stopwatch covers elapsed time, split time, and 1st-2nd place timing up to 59'59.99" — precise enough for sports, fitness routines, cooking, and any activity where accurate timing counts. Operated simply with the side-mounted buttons, no complicated setup required.
- DAILY ALARM | HOURLY TIME SIGNAL | AUTO-CALENDAR — Features a daily alarm, hourly time signal, and full auto-calendar with selectable 12/24-hour format, accurate to ±30 seconds per month. The display shows hour, minute, second, PM indicator, date, and day at all times — everything you need, nothing you don't.
- 7-YEAR BATTERY | 50M WATER RESISTANT | SLIM LIGHTWEIGHT BUILD — The square resin case measures 43.1 × 41.2 × 10.5mm and weighs 32 grams, powered by a CR2016 battery with an approximate 7-year life. Water resistant for everyday use, bathing, and swimming in shallow depths — a capable, low-maintenance companion for daily life. Available in Black, Blue, Green/Beige, and Gold-Dial colorways.
| Market and source | Variant(s) | Release or listing detail | Listed price |
|---|---|---|---|
| Japan — CASIO Japan | W-221H-1AJF | February 2026 release month | ¥6,050 including tax |
| China — CASIO China | W-221H-1AV, W-221H-1BV, W-221H-8AV | Listed on the February 2026 new-products page | 290 yuan each |
These are regional suggested or launch listings, not a verified global street price. The pages do not establish current stock in every country or confirm that every suffix is sold in every market. Check Casio’s local site or an authorized retailer before buying, and match the full suffix to the color and regional version you want.
Case size, materials and wearability
Casio’s international W-221H-1AV specifications give overall dimensions of 43.7 × 38.4 × 12.2 mm and a weight of 35 g. The case width is 38.4 mm, a size Casio China positions for everyday wear rather than an oversized sports-watch profile. The case and bezel are resin, the band is resin, and the crystal is listed as resin glass. Compatible wrist sizing is 145–215 mm. Full specifications are on the CASIO international product page.
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- Impressive 10-Year Battery Life: Powered by a CR2025 battery, this watch delivers a decade of reliable performance, making it a low-maintenance timepiece for your daily life.
- 100-Meter Water Resistance: Built to handle your adventures, this watch is suitable for swimming, snorkeling, and other water activities.
- Versatile Timekeeping Features: Includes dual time, 1/100-second stopwatch, and a 24-hour countdown timer, perfect for sports, travel, and daily routines.
- LED Backlight with Afterglow: The LED backlight ensures clear visibility in low-light conditions, making it easy to check the time day or night.
- Multi-Function Alarm & Auto Calendar: Stay organized with an hourly time signal, multi-function alarm (including a snooze option), and a full auto-calendar preprogrammed until 2099.
The dimensions describe the watch itself; comfort, visual presence and display readability will still vary with wrist shape, lighting and the selected colorway. No independent wear or legibility test is established by the launch listings.
Functions included in the W-221H
The W-221H is more than a time-only retro design. Casio lists these functions for the international W-221H-1AV:
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- Dust-free,bubble free,one-push super easily installation.
- World time for 29 time zones and 48 cities, with daylight-saving-time on/off.
- 1/100-second stopwatch.
- 24-hour countdown timer.
- Three multifunction alarms, including one snooze alarm.
- Hourly time signal and flash alert.
- Amber LED backlight with selectable 1.5- or 3-second illumination.
- Full auto-calendar through 2099.
- Button-tone on/off and 12/24-hour format selection.
Casio states accuracy of ±30 seconds per month. That is a manufacturer specification, not an independently measured result.
Water resistance and battery expectations
The specification page rates the watch at 50-meter water resistance. That rating should not be treated as a blanket promise for every water activity; follow Casio’s usage guidance for the specific model and avoid assuming suitability for diving or high-pressure water sports.
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- DURABLE DESIGN WITH 100M WATER RESISTANCE: The Casio W800HG Digital Watch is built for versatility, featuring 100-meter water resistance that makes it suitable for everyday activities, including light water exposure, swimming, and outdoor use. The rugged resin case and band ensure long-lasting durability in various conditions.
- MULTIFUNCTIONAL TIMEKEEPING WITH DUAL TIME MODE: Stay on schedule with the dual time feature, allowing you to track two time zones at once—ideal for travelers or those managing different schedules. The full auto-calendar is pre-programmed until the year 2099, ensuring seamless date tracking without manual adjustments.
- 1/100-SECOND STOPWATCH & MULTI-FUNCTION ALARM: The 1/100-second stopwatch offers elapsed time, split time, and first/second place timing, making it perfect for sports, workouts, and daily timing needs. The multi-function alarm with snooze and hourly time signal keep you on track with essential reminders throughout the day.
- LED BACKLIGHT FOR EASY VISIBILITY IN LOW LIGHT: Equipped with a bright LED backlight, the W800HG ensures clear readability in dim environments. The large digital display with bold numerals makes it easy to check the time at a glance, providing a user-friendly interface for everyday wear.
- LONG-LASTING 10-YEAR BATTERY & RELIABLE QUARTZ MOVEMENT: Powered by a CR2025 battery, this watch delivers up to 10 years of operation with minimal maintenance. The quartz movement provides accurate timekeeping, with an accuracy of ±30 seconds per month, ensuring dependable performance over the long term.
Power comes from a CR2032 cell, with an approximate stated battery life of 10 years. Actual life can vary with functions such as alarms, flash alerts and backlight use. The eventual replacement cell is specified, but a replacement battery or band should be sourced and fitted for the exact model; the published 145–215 mm wrist range alone does not verify connector compatibility for a generic strap.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How the design translates the 1990s reference
The retro claim is expressed through specific details rather than a reproduction of one historic model. The square silhouette and metallic bezel suggest the angular digital watches associated with the decade, while the wide screen prioritizes information at a glance. Pixel-style weekday lettering adds a deliberately graphic touch, and striped band-attachment detailing supplies a small accent visible from above. Casio’s English copy calls it a “simple, yet practical digital watch with a boldly angular design.”
What is—and is not—confirmed about buying one
Official Japan and China pages confirm launch listings, but they do not prove present inventory in your country. A reader looking for a trusted source should first identify the local W-221H suffix, then use Casio’s regional website or an authorized watch retailer and verify the seller’s return and warranty terms. Online discussion can indicate interest, but it is anecdotal and does not establish stock; for example, see the r/casio availability discussion.
Do not assume that a listing for “W-221H” without the suffix is the same color or regional configuration. Compare the reference number, case images, included warranty documentation and the seller’s stated market before paying. Prices may also differ because the official examples are in Japanese yen and Chinese yuan and include different regional tax or pricing conventions.
Quick Recap
W-221H specification summary
| Specification | Officially listed detail |
|---|---|
| Family | Casio W-221H digital watch |
| International reference | W-221H-1AV |
| Dimensions | 43.7 × 38.4 × 12.2 mm |
| Weight | 35 g |
| Case, bezel and band | Resin |
| Glass | Resin glass |
| Wrist-size range | 145–215 mm |
| Water resistance | 50 meters |
| Battery | CR2032; approximately 10 years stated |
| Accuracy | ±30 seconds per month stated |
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
