OPK Watch for Men Quartz Brand Watch Leather Band Calendar Fashion Waterproof Luminous Date Watch for men Black Silver &

【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.

[About clocks that synchronize time via radio waves] The function of clocks that synchronize time via radio waves only works in the Japanese area. Please be careful. Cool men's watch: Equipped with a calendar on a unique triangular dial design, the high-hardness glass and tough leather band make the watch highly wear-resistant, making it both comfortable and cool. The large dial has a numeric scale around its periphery, making it easy to read the time. The openwork design is high-tech. Quartz watch: Case thickness: 12mm, diameter 45mm, band length: 22cm, luminous function allows you to see the time even at night. Although it can withstand sweat, face washing, water droplets, and rain in daily life, please refrain from using it for water work, water sports, skin diving, etc. Please refrain from using in hot springs, baths, etc. where there is water vapor or where there are rapid changes in water pressure. PERFECT GIFT: Trendy design and functionality make it the perfect gift. A perfect gift for festivals and anniversaries. Check out our stylish and stylish gifts Products purchased from Amazon come with a 30-day exchange guarantee and promise to provide a 1-year quality guarantee. If there is a problem with the product, please feel free to contact us by email. We will reply within 24 hours.