[Citizen] watch citizen collection mechanical automatic winding mechanical open heart See-through back waterproof navy blue NH9131-73L men's 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.

[Citizen Collection that pursues the basic performance and design of watches] A mechanical watch with a classically modern design.It has an open heart design that allows you to enjoy the delicate movement of the balance wheel, which is the heart of a mechanical watch, through the window at 6 o'clock on the dial. [Navy dial with silver indexes] A distinctive design with a dial pattern that radiates out from a circular window. The case back is a see-through back. You can enjoy the rotating weight part and the movement of the mechanism. [Mechanical self-winding watch] A mechanical self-winding watch powered by a mainspring.When you wear a watch on your wrist, the movement of your arm moves the rotating weight inside the watch, automatically winding the mainspring.*You can also check the operating instructions from the instruction manual on the manufacturer's website (model number: 8229). [Product Details] Mechanical watch, automatic + manual winding, -20 to +40 seconds/day, approximately 42 hours (maximum winding), crystal glass, case/band: stainless steel, water resistant to 5 ATM