Mechanical Watch Open Heart Mechanical Waterproof Silver Black [Citizen] NP1011-08A Men's

[Citizen Collection that pursues the basic performance and design of watches] From the popular mechanical model with its open heart dial, we now have a leather band specification with a classic look. [Open heart unique to mechanical watches] From the 7 o'clock position on the dial, you can enjoy the delicate movement of the balance wheel, which is the heart of a mechanical watch. The case back has a see-through back that allows you to enjoy the rotating weight and mechanical movement. [Invention for long-term use] We have pursued improvements in durability because we want it to be used for a long time. Water resistant to 10 ATM, scratch-resistant and highly transparent sapphire glass. Protect your precious watch in all situations. [Mechanical self-winding watch] This is 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, which automatically winds the mainspring. *You can also check the operating instructions from the instruction manual on the manufacturer's website (model number: 4197). [Product details] Mechanical watch, automatic + manual winding, operating time: approximately 42 hours (maximum winding), water resistant to 10 ATM, case: stainless steel, band: calf, sapphire glass