Watch Seiko Selection Solar Radio SBTM191 Silver [Seiko Watch] Men's

【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. Radio wave correction function (receives Japanese standard radio waves) Fully automatic calendar function (until December 31, 2099) Driving period: Approximately 6 months when fully charged, approximately 1.5 years when power saving Average monthly difference when not receiving ±15 seconds