Watch Casio Classic PREMIUM Series Black [Casio] [] A1100B-1JF

【Voltage Compatibility】 When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction. 【Plug Type】 Our products use Japanese plug types (A or B type). Please use a conversion adapter if necessary. 【Important Note on Transformers and Adapters】 A transformer adjusts voltage to match your device’s requirements. A conversion adapter only changes the plug shape and does not adjust voltage. Using only a conversion adapter without a transformer may result in damage to the product. 【Liability】 We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer. Introducing a model from CASIO CLASSIC that is a reprint of the front button model 52QS-14B released in the late 1970s with the same full metal case as back then. [Waterproof function for daily life] Equipped with waterproof function for daily life. [Stopwatch] (1/10 second, 60 minutes total) [Alarm] Time alarm/time signal [Other product specifications] Please check the description column.