- Caliber number: H820 - Eco-Drive (solar power) - Perfex Multi 3000 - 4 area Atomic Radio Controlled time keeping reception: [Japan]: JJY frequency, 40kHz/60kHz [North America]: WWVB frequency, 60kHz [Europe]: DCF77 frequency, 77.5kHz [China]: BPC frequency, 68.5kHz - Impact detection function - Automatic hand position correction function - Anti-magnetic JIS1 - Case: Titanium (with DURATECT TIC and DLC treatment) - Band: Titanium (with DURATECT TIC treatment) - Push button type 3-fold clasp band (with fit adjuster) - Crystal: Sapphire glass (dual curve, with 99% Clarity Coating) - Water resistant to 10bar - World time (26 cities) - Summer time (daylight saving time [DST]) function - Perpetual Calendar - Alarm - Charge level indicator - Charge warning function - Power saving function - Overcharge prevention function - Battery life after full charge: 8 months (with power saving function) - Accuracy (if radio signal not avail.): within ±15sec/month - Case size: 43.6mm - Case thickness: 11.9mm