Watch Automatic Winding Mechanical Black Metal Strap Business Men's 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.

[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. Watch material technology: The watch is made of high hardness and wear-resistant stainless steel. Mimicking precision-honed technology, a simple date dial, a sapphire crystal mirror, and a hollow cover design on the back of the watch, the watch is water resistant to 30 meters (99 feet). How to use an automatic watch: Automatic chain mechanical watches do not require batteries, only the natural movement of your arm can power the watch. The watch should be far away from magnets so as not to affect the accuracy of the watch. Do not wear it while swimming, in hot water, or while bathing in a sauna. Stay away from corrosive substances and liquids Automatic movement: Automatic watches do not require any hassle, just wear them for 8 hours every day to guarantee the watch's energy. When you first get the watch, please wind the mainspring about 40 times to start the watch, and then wind the hour hand once to start the calendar and day of the week functions. 3ATM life waterproofing: Waterproofing function that can withstand sweat in daily life, water droplets when washing your face, rain showers, etc. Please refrain from using in hot springs and baths where there is water vapor.