●Band: Resin band ●Length: 145-215mm/28.7mm ●Case size: 58.7×52.1×16.2mm ●Weight: 114g ●Shock-resistant structure ●Vibration-resistant structure ●Dust-proof and mud-proof structure ●20 ATM water resistance ●Radio wave reception function: Automatic reception (up to 6 times/day) (Chinese radio waves up to 5 times/day)/Manual reception, Received radio waves: JJY, Frequency: 40kHz/60kHz (Fukushima/Kyushu station compatible model) Received radio waves: WWVB, Frequency: 60kHz Received radio waves: MSF/DCF77, Frequency: 60kHz/77.5kHz Received radio waves: BPC, Frequency: 68.5kHz *If you set the home time setting to a city that can receive radio waves, the station corresponding to the city will be received. The time difference is set according to the selected city or time zone. ● Mobile link function (function linkage via Bluetooth communication with compatible mobile phones) ● Automatic needle position correction function ● Needle retraction function (manual, automatic (when measuring altitude, air pressure, temperature))