{"product_id":"casio-g-shock-gba-400-1a9jf-jdm-gmix-bluetooth-music-control-gold-black-rotary-switch-analog-digital-mens-watch","title":"CASIO G‑SHOCK GBA‑400‑1A9JF JDM G'MIX Bluetooth Music Control Gold Black Rotary Switch Analog‑Digital Men's Watch","description":"\u003cp data-source-line=\"9-9\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: The GBA‑400‑1A9JF elevates the G'MIX music-centric platform through a premium gold-and-black color narrative that transforms functional timekeeping into a sophisticated luxury sport statement. Bluetooth SMART connectivity enables comprehensive music control via oversized rotary switch at 3 o'clock—manipulating playback, volume, and venue-specific equalizer presets with seamless tactile engagement. The striking two-tone resin construction—gold case accents paired with black dial and turntable-motif connection indicator—demonstrates that athleisure design need not compromise on visual refinement or entertainment integration. Perfect for those balancing premium aesthetics with genuine multimedia functionality.\u003c\/p\u003e\n\u003cp data-source-line=\"11-11\"\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-source-line=\"13-32\"\u003e\n\u003cli data-source-line=\"13-13\"\u003eCase size: 55 mm × 51.9 mm × 18.3 mm (L × W × H)\u003c\/li\u003e\n\u003cli data-source-line=\"14-14\"\u003eWeight: ~70 g (approximately 66–70 g depending on variant)\u003c\/li\u003e\n\u003cli data-source-line=\"15-15\"\u003eCase material: Resin with gold IP plating on bezel\/case portions\u003c\/li\u003e\n\u003cli data-source-line=\"16-16\"\u003eBezel: Resin with rotary switch mechanism, gold IP-plated accents\u003c\/li\u003e\n\u003cli data-source-line=\"17-17\"\u003eBand: Black resin, adjustable\u003c\/li\u003e\n\u003cli data-source-line=\"18-18\"\u003eWater resistance: 200 m (20 ATM)\u003c\/li\u003e\n\u003cli data-source-line=\"19-19\"\u003eMovement: Quartz calibre 5413 (Bluetooth SMART Mobile Link)\u003c\/li\u003e\n\u003cli data-source-line=\"20-20\"\u003ePower source: Battery (SR927W × 1); approximately 2–3 year battery life\u003c\/li\u003e\n\u003cli data-source-line=\"21-21\"\u003eAccuracy: ±30 s\/month\u003c\/li\u003e\n\u003cli data-source-line=\"22-22\"\u003eDisplay: Dual‑layer LCD, analog‑digital, black dial with turntable-motif indicator at 9 o'clock\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003eFunctions: Analog‑digital timekeeping, world time (approximately 300 cities configurable via smartphone), 1\/100‑second stopwatch, countdown timer, 5 daily alarms (including 1 snooze), full‑auto calendar (to year 2099), 12\/24‑hour display, day\/date, hourly time signal, button operation tone on\/off, LED backlight (amber), hand‑shift feature (hands move out of the way to view digital display)\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003eBluetooth features: Mobile Link via Bluetooth SMART enables music control (play\/pause, next\/previous track, volume adjustment), advanced equalizer with live-venue ambiance presets (concert, outdoor, etc.), song title search with local music identification, phone finder function, automatic worldwide time synchronization and time zone adjustment at preset times, configurable world time zones (≈300 cities), remote alarm\/timer\/function configuration\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003eSpecial features: Large rotary selector switch (dual functionality: mode\/menu + music control), turntable-inspired dial design emphasizing music theme, gold IP plating for premium aesthetic, magnetic resistance, shock‑resistant structure\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003eAdditional features: Mineral glass, vibration alarm, wireless Bluetooth SMART connectivity, hand‑shift feature\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003eOrigin: Japan (JDM domestic model)\u003c\/li\u003e\n\u003cli data-source-line=\"28-28\"\u003eWarranty: 1 year\u003c\/li\u003e\n\u003cli data-source-line=\"29-29\"\u003eJAN: 4971850082095\u003c\/li\u003e\n\u003cli data-source-line=\"30-30\"\u003eSeries: G'MIX (Music-Themed G‑SHOCK Collection, Gold\/Black Variant)\u003c\/li\u003e\n\u003cli data-source-line=\"31-32\"\u003eRelease: 2015\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-source-line=\"33-33\"\u003e\u003cstrong\u003eKey Highlights\u003c\/strong\u003e: The GBA‑400‑1A9JF represents the premium evolution of the G'MIX lineage—proving that music-integrated technology and genuine luxury aesthetics create compelling synthesis. The gold IP-plated case and bezel accents elevate visual presence beyond conventional sport watches; the striking contrast between gold elements and black dial creates sophisticated visual depth without overwhelming functionality. The rotary switch mechanism delivers intuitive music control while maintaining traditional G‑SHOCK operability; venue-specific equalizer presets (concert ambiance, outdoor simulation, etc.) reveal unexpected sonic sophistication. At 70 g with commanding 55 mm proportions, the case achieves balanced presence; the turntable-motif dial indicator reinforces thematic consistency while providing practical connection-status feedback. Bluetooth SMART connectivity enables transparent smartphone integration—music control, time zone configuration, activity logging, and song identification occur seamlessly without constant phone interaction. Water resistance to 200 m supports swimming and water sports. The gold-and-black colorway appeals to those seeking premium sport aesthetics, DJs and music professionals demanding elegant functionality, athleisure consumers treating personal technology as lifestyle statement, and collectors appreciating G‑SHOCK's design evolution across price tiers. This watch demonstrates that durability, entertainment value, and visual refinement need not compete—they can converge into genuinely sophisticated personal technology. Ideal for professionals balancing music passion with athletic pursuits, gift‑givers seeking premium technology statement pieces, and anyone appreciating thoughtful convergence of form, function, and entertainment.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":47611293204735,"sku":"608540","price":26300.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/udetokei-watch_608540.jpg?v=1764512971","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-gba-400-1a9jf-jdm-gmix-bluetooth-music-control-gold-black-rotary-switch-analog-digital-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}