{"product_id":"casio-f-91w-3jh-digital-watch","title":"Casio F-91W-3JH Digital Watch","description":"\u003ch1\u003eProduct Description\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eCasio F-91W-3JH\u003c\/strong\u003e is a lightweight and slim digital wristwatch designed for everyday use. Featuring a classic digital LCD display with modern green accent lighting, this model combines simplicity with practical functionality.\u003c\/p\u003e\n\u003cp\u003eIt includes essential daily functions such as alarm, stopwatch, and calendar display, making it suitable for work, sports, and casual wear. The resin case and strap ensure durability and comfort for long-term use.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eLightweight and slim digital watch design\u003c\/li\u003e\n\u003cli\u003eLED backlight with green accent illumination\u003c\/li\u003e\n\u003cli\u003eDaily alarm and hourly time signal\u003c\/li\u003e\n\u003cli\u003e1\/100-second stopwatch with split timing\u003c\/li\u003e\n\u003cli\u003eAutomatic calendar function\u003c\/li\u003e\n\u003cli\u003e12\/24-hour format switching\u003c\/li\u003e\n\u003cli\u003eLong battery life design (approx. 7 years)\u003c\/li\u003e\n\u003cli\u003eComfortable resin strap for daily wear\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch1\u003eProduct Specifications\u003c\/h1\u003e\n\u003ch2\u003e📏 Size \u0026amp; Weight\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCase size: 38.2 × 35.2 × 8.5 mm\u003c\/li\u003e\n\u003cli\u003eWeight: approx. 21 g\u003c\/li\u003e\n\u003cli\u003eWrist size fit: 145–200 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🧱 Materials\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCase \u0026amp; bezel: Resin\u003c\/li\u003e\n\u003cli\u003eStrap: Resin band\u003c\/li\u003e\n\u003cli\u003eCrystal: Resin glass\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙ Functions\u003c\/h2\u003e\n\u003ch3\u003e⏱ Stopwatch\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1\/100-second precision\u003c\/li\u003e\n\u003cli\u003e60-minute measuring capacity\u003c\/li\u003e\n\u003cli\u003eSplit time function\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⏰ Alarm\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDaily alarm\u003c\/li\u003e\n\u003cli\u003eHourly time signal\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e💡 Light\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLED backlight\u003c\/li\u003e\n\u003cli\u003eGreen LED illumination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📅 Calendar\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull auto calendar\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⌚ Accuracy\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e±30 seconds per month\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🔋 Power\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApproximate battery life: 7 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e🌐 Other Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e12\/24-hour format display\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Casio","offers":[{"title":"green","offer_id":53283964158249,"sku":null,"price":31.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0253\/0381\/0145\/files\/ScreenShot_2026-06-23_154815_656.png?v=1782200953","url":"https:\/\/haruyama365.com\/products\/casio-f-91w-3jh-digital-watch","provider":"HARUYAMA","version":"1.0","type":"link"}