Case: Titanium (deep hardening treatment + DLC treatment) Glass: Sapphire crystal (inner anti-reflective coating) Water resistance: 20 ATM / 200m Magnetic resistance: Yes Case size (H × W × T): 54.7 × 49.8 × 16.9mm LED light: Super Illuminator (with afterglow function) Bluetooth-equipped GPS Hybrid Radio Wave Solar Mobile Link function: Function linkage via Bluetooth communication with compatible mobile phones World Time: 39 cities worldwide (39 time zones, with automatic DST setting function) + UTC (Coordinated Universal Time) display, home time city switching function Stopwatch: 1-second, 24-hour measurement Timer: Set unit: 1 minute, max set: 24 hours, measured in 1-second increments Time alarm Automatic hand position correction function Power-saving function: (In dark places, hands stop moving after a certain period of time to save power) Full auto-calendar Airplane mode Battery charge warning function