OPK Quartz Watch with Date Classic Stainless Steel Watch for and Office Black Men's Display, Waterproof, Luminous, Stylish, Easy-to-Read Numerals,

【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. OPK's popular men's watches: large dial design, stylish color matching, and four models available to suit a variety of occasions, from formal to casual events. Perfect for students and office workers alike. Stylish wristwatch specifications: Case thickness: 10mm, diameter: 45mm, comfortable for work or exercise. Strap length can be flexibly adjusted to fit any wrist size. Unique luminous hands make it easy to read the time day or night. Reliable waterproofing: This multi-functional watch features a calendar window, luminous functionality, and a 30-meter water resistance. It's water-resistant for everyday use, meaning you can safely handle splashes of water while washing your face or light rain. However, please do not use it for water work, water sports, skin diving, or underwater scuba diving. PERFECT GIFT: Men's watches are perfect gifts for school, work, interviews, dressing up, festivals, family, meetings. You can find gorgeous fashion gifts for graduations, birthdays, weddings, Valentine's Day. Warranty: All products purchased from Amazon come with a 30-day exchange guarantee and a one-year warranty. If you have any questions about the product, please feel free to contact us by email. We will respond within 24 hours.