[Note] *This product is shipped as it is received without adjusting the time. Thank you for your understanding. ■Brand: CITIZEN Q&Q Model number: MD16-305: no.1 MD18-305: no.2 MD20-305: no.3 MD12-304: no.4 MD12-305: no.5 ■Solar power supply (light generation) ■Function: - Radio wave reception function (Japan standard radio, Fukushima station/Kyushu station: China, Germany, America) - Perpetual calendar that does not require day of the week correction until February 28, 2099 (automatic date correction) ) ・Time accuracy (average monthly difference ±30 seconds) ・Alarm ・Time signal ・Dual time ・Chronograph ・LED light ・Scheduled reception ・Forced reception ・Reception level display function・Reception result confirmation function ・Power saving function ・Overcharge prevention function ・Charge warning function ・Reference position confirmation function ・About 18 months after full charge, etc. ■Analog digital ■Waterproofing: 10 ATM ■Size (approx.)/Weight Width of the watch : 40.8mm/46.5g Belt arm circumference (approx.): Minimum 15cm ~ Maximum 20.5cm ■Accessories: Case, explanation, warranty ■Warranty period: 1 year Citizen manufacturing brand “Q&Q” Based on the concept of Quality (good quality products) & Quantity (to more people), We have a diverse lineup. -------------------------------------------------- ------------------------- Q&Q solar radio clock manufactured by Citizen. Since it uses solar radio waves, there is no need to set the time, date, or replace batteries. Digital calendar at 6 o'clock position, convenient and safe 10 ATM waterproof. Designed for both business and private use. Recommended as an anniversary or birthday gift. *Radio-controlled clocks may not be received depending on the reception environment. Thank you for your understanding. *Light generation (solar power) It can be charged not only by sunlight but also by indoor fluorescent light. [Caution] *This product is shipped as received without adjusting the time. Thank you for your understanding.