Description
Description: The GBA‑400‑1AJF reimagines G‑SHOCK's rotary switch platform through a music‑centric lens—elevating athletic timekeeping into a sophisticated personal entertainment controller. Bluetooth SMART connectivity enables smartphone integration for music playback manipulation, song identification, and equalizer control directly from the watch face; the distinctive rotary selector at 3 o'clock doubles as both traditional mode navigation and music volume/track adjustment mechanism. At 66 g with commanding 55 mm proportions and a turntable-inspired dial design at 9 o'clock indicating connection status, this model merges street culture athleisure sensibilities with innovative functional engineering. Perfect for those balancing urban lifestyle demands, athletic pursuits, and music passion into one unified wrist-worn ecosystem.
Key Specifications:
- Case size: 55 mm × 51.9 mm × 18.3 mm (L × W × H)
- Weight: ~66 g
- Case material: Resin
- Bezel: Resin with rotary switch mechanism
- Band: Resin, adjustable
- Water resistance: 200 m (20 ATM)
- Movement: Quartz calibre 5413 (Bluetooth SMART Mobile Link)
- Power source: Battery (SR927W × 1); approximately 2–3 year battery life
- Accuracy: ±30 s/month
- Display: Dual‑layer LCD, analog‑digital, black dial with turntable-motif indicator at 9 o'clock
- Functions: Analog‑digital timekeeping, world time (approximately 300 cities configurable via smartphone), 1/100‑second stopwatch, countdown timer, 5 daily alarms, full‑auto calendar (to year 2099), 12/24‑hour display, day/date, hourly time signal, button operation tone on/off, LED backlight
- Bluetooth features: Mobile Link via Bluetooth SMART enables music control (play/pause, next/previous track, volume adjustment), advanced equalizer with venue ambiance presets (concert, outdoor, etc.), song title search function with local music identification, phone finder function, automatic worldwide time and time zone synchronization, configurable world time zones (≈300 cities), remote alarm/timer/function configuration via smartphone app
- Special features: Large rotary selector switch serves dual functionality (mode/menu navigation + music control), turntable-inspired dial design emphasizing music theme, magnetic resistance, shock‑resistant structure
- Additional features: Mineral glass, vibration alarm, wireless Bluetooth SMART connectivity
- Origin: Japan (JDM domestic model)
- Warranty: 1 year
- JAN: 4971850082132
- Series: G'MIX (Music-Themed G‑SHOCK Collection)
- Release: 2014
Key Highlights: The GBA‑400‑1AJF represents a bold intersection of music culture, athletic timekeeping, and wearable technology—proving that functional tools need not sacrifice personality or entertainment value. The signature rotary switch transforms from traditional mode navigation into intuitive music control; jumping between tracks, adjusting volume, and applying venue-specific equalizer presets feels seamless and satisfying. Bluetooth SMART connectivity enables comprehensive smartphone integration without requiring constant phone interaction; song identification, time zone configuration, and activity logging happen transparently in the background. At 55 mm diameter, the case commands presence; the turntable-inspired dial at 9 o'clock and connection status indicator add thematic consistency without overwhelming aesthetic restraint. Water resistance to 200 m supports swimming and water sports. The music-centric design appeals equally to DJs, music producers, casual enthusiasts, and athleisure consumers who treat personal technology as lifestyle statement rather than mere utility. Advanced equalizer functionality with live-venue presets (concert simulation, outdoor acoustics, etc.) demonstrates surprising sonic sophistication. This watch appeals to those seeking convergence of sport, music, and technology; urban professionals balancing fitness and entertainment; gift‑givers drawn to innovative multimedia integration; and collectors appreciating the G‑SHOCK brand's willingness to experiment across functional paradigms. The GBA‑400 G'MIX lineage has earned recognition as proof that timekeeping can transcend traditional boundaries—becoming genuinely useful entertainment hub without sacrificing durability or operability.