The Casio MSG-S200G-7AER watch is a women's watch from the CASIO G-MS series with solar energy and a steel case: Tough Solar. Super Illuminator. Case/frame material: resin/stainless steel. Resin strap. Neobrite. Shock resistant. Mineral Glass. Water resistance of 100 meters. Powered by solar energy. LED light (Super Illuminator). Time zone: 31 time zones (48 cities universal time coordinated), daylight saving time on/off, home city/world time city exchange Stopwatch from 1/100 seconds. Measurement capacity: 59'59.99. Measurement mode: elapsed time, intermediate time, 1st and 2nd place. Countdown Unit of measurement: 1 second. Countdown interval: 60 minutes Setting interval for the countdown start time: 1 to 60 minutes (1 minute increments). Daily alarm. Battery level indicator. Complete automatic calendar (up to the year 2099). 12/24 hours format. Activation/deactivation of the activation tone of the buttons. Regular timing Analog: 2 hands (hour, minute (hand moves every 20 seconds) Digital: hour, minute, second, pm, month, date, day Accuracy: ± 30 seconds per month Battery operating time: 11 months of rechargeable battery (period of operation with normal use without exposure to light after charging) 20 months of rechargeable battery (operating period if stored in total darkness with the power saving function activated after a full charge). 47.5 × 38.4 × 12.3 mm Total weight: 39g.