CASIO LINEAGE LIW-M610TDS-1A2JF Tough Solar, Radio Wave Reception, Radio Solar Multi Band 6 Slim Case, Titanium Case, Titanium Band Metal Band, Sapphire Glass Black, Gold Functionality confirmed: Tough Solar charging, automatic radio wave reception, etc. ■ Size, Weight: 46.3 x 41.6 x 10.6mm / 86g ■ Wrist circumference: Approximately 19cm ※ Please forgive any slight errors due to amateur measurements. ■ Specifications, Functions ● Sapphire Glass ● 5 ATM Water Resistance ● Tough Solar (Solar charging system) ● Radio wave reception function: Automatic reception / Manual reception ● World Time: Displays the time of 29 cities worldwide (29 time zones, with summer time setting function) + UTC (Coordinated Universal Time), home time city exchange function ● Stopwatch (1/20 second, 24-hour counter, with split) ● Timer (set unit: 1 minute, maximum set: 24 hours, measured in 1-second increments, with elapsed time measurement (24-hour counter) after time up) ● Time alarm ● Battery charging warning function ● Power saving function (stops hand movement and saves power when left in the dark for a certain period) ● Date and day of the week display ● Full auto-calendar ■ Included items: None