{"product_id":"casio-g-shock-ga-2100lxb-1a9jf-jdm-luxe-black-black-gold-octagon-analog-digital-negative-display-mens-watch","title":"CASIO G-SHOCK GA-2100LXB-1A9JF JDM LUXE BLACK Black Gold Octagon Analog-Digital Negative Display Men's Watch","description":"\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe CASIO G-SHOCK GA-2100LXB-1A9JF is a refined JDM model from the LUXE BLACK line, built on the iconic octagonal 2100 platform. Its matte black exterior is paired with subtle gold-tone hour markers, creating a clean black-and-gold contrast that feels modern, understated, and premium.\u003c\/p\u003e\n\u003cp\u003eDesigned with a minimalist approach, this model keeps the slim, versatile profile that made the 2100 series so popular while adding a more elevated fashion character. The negative display and monochrome styling give it a sharper, more sophisticated look that works well for daily wear, street style, and smart casual outfits.\u003c\/p\u003e\n\u003cp\u003eIt also delivers the practical toughness expected from G-SHOCK, including shock resistance, 200-meter water resistance, long battery life, and essential functions such as world time, stopwatch, timer, alarms, and LED lighting. It is an excellent choice for buyers seeking an authentic Japanese market octagon G-SHOCK with a more polished black-and-gold finish.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: CASIO\u003c\/li\u003e\n\u003cli\u003eSeries: G-SHOCK 2100 Series\u003c\/li\u003e\n\u003cli\u003eCollection: LUXE BLACK\u003c\/li\u003e\n\u003cli\u003eModel: GA-2100LXB-1A9JF\u003c\/li\u003e\n\u003cli\u003eMarket: JDM\u003c\/li\u003e\n\u003cli\u003eGender: Men\u003c\/li\u003e\n\u003cli\u003eDisplay: Analog-Digital\u003c\/li\u003e\n\u003cli\u003eDial Style: Negative Display\u003c\/li\u003e\n\u003cli\u003eBezel Style: Octagon\u003c\/li\u003e\n\u003cli\u003eColor: Black with Gold Accents\u003c\/li\u003e\n\u003cli\u003eCase Size: 48.5 × 45.4 × 11.8 mm\u003c\/li\u003e\n\u003cli\u003eWeight: 51 g\u003c\/li\u003e\n\u003cli\u003eCase \/ Bezel Material: Carbon \/ Bio-based Resin\u003c\/li\u003e\n\u003cli\u003eBand: Bio-based Resin Band\u003c\/li\u003e\n\u003cli\u003eConstruction: Shock Resistant\u003c\/li\u003e\n\u003cli\u003eStructure: Carbon Core Guard\u003c\/li\u003e\n\u003cli\u003eWater Resistance: 200 m\u003c\/li\u003e\n\u003cli\u003eBattery Life: Approx. 3 years\u003c\/li\u003e\n\u003cli\u003eGlass: Mineral Glass\u003c\/li\u003e\n\u003cli\u003eWorld Time: 48 cities \/ 31 time zones + UTC\u003c\/li\u003e\n\u003cli\u003eStopwatch: 1\/100-second\u003c\/li\u003e\n\u003cli\u003eTimer: Countdown Timer\u003c\/li\u003e\n\u003cli\u003eAlarm: 5 Daily Alarms\u003c\/li\u003e\n\u003cli\u003eLight: Double LED Light\u003c\/li\u003e\n\u003cli\u003eCalendar: Full Auto Calendar\u003c\/li\u003e\n\u003cli\u003eHand Shift Feature: Yes\u003c\/li\u003e\n\u003cli\u003eMute Feature: Yes\u003c\/li\u003e\n\u003cli\u003eModule: 5611\u003c\/li\u003e\n\u003cli\u003eJAN: 4549526426964\u003c\/li\u003e\n\u003cli\u003eSales Status: Domestic Authorized Product\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKey Highlights\u003c\/h2\u003e\n\u003cp\u003eThe strongest search terms for this model are G-SHOCK, GA-2100LXB-1A9JF, JDM, LUXE BLACK, Octagon, Black Gold, Negative Display, and Analog-Digital. These keywords help attract overseas buyers looking for a Japanese-market 2100 series model with a more premium and fashion-oriented presentation.\u003c\/p\u003e\n\u003cp\u003eIts biggest selling point is the restrained black-and-gold design. Instead of relying on flashy decoration, it uses matte black surfaces and subtle metallic accents to create a more refined look. That makes it especially appealing for buyers who want a G-SHOCK that feels cleaner and more versatile than a typical sport-focused model.\u003c\/p\u003e\n\u003cp\u003eThe octagonal 2100 case also adds strong click appeal because it is one of the most recognizable silhouettes in the current G-SHOCK lineup. Combined with a slim profile, shock resistance, 200-meter water resistance, and everyday practicality, this model offers both strong visual identity and dependable daily performance.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":48928404111615,"sku":"GA-2100LXB-1A9JF","price":22700.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/ga-2100lxb-1a9jf_1.jpg?v=1785591300","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-ga-2100lxb-1a9jf-jdm-luxe-black-black-gold-octagon-analog-digital-negative-display-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}