41 mm stainless steel case diameter Men's mechanical watch: automatic movement. Powered by the daily movements of your arms. Waterproof watch: It is water-resistant to 50 meters and can withstand rain splashes, but not hot water showers and saunas.

Name: Carnival Series Part number: 8116G Dial window material: synthetic sapphire Display type: Analog Movement: Self-winding movement Case diameter: 41mm Clasp: push button deployment Bandwidth: 26-17mm Frame material: stainless steel Baffle function: fixed Calendar: date, week, month Special features: high contrast hands, easy to read, luminous,

NOTE: You should not make adjustments (such as setting the date or day of the week) when the time on your watch reads between 9:00 PM and 3:00 AM to avoid damaging the movement.

Luminous hands/markers (needs to absorb light energy and store it)

Waterproof watch: Do not wear it in saunas, hot baths, heated swimming pools, or wash your hands with hot water.

Instructions for use: Automatic watches are wound by the movement of the wearer's arm, and manual assisted winding are two ways to power the watch.

What should I do when the watch stops? When fully wound, you need to turn the crown clockwise 30-40 times to start the watch and give the watch some reserve power. A self-winding automatic movement watch needs to be worn every day (about 8 to 12 hours a day) to power the movement of your arm every day.

Automatic watches are wound by the movement of the wearer's arm, which is wound by the movement of the wrist via a rotor, a device that uses the natural movement of the wrist to automatically wind the watch's mainspring by rotating a weight mechanism.

If an automatic watch is not worn for a day or two, or if the natural movement of the wrist moves very little, it will stop winding and will require manual replenishing of the spring before it can be started again. Turning the crown spring connected to the ratchet will twist the mainspring further. Tight, the energy is stored in the mainspring by manual winding. When the crown is pulled out a short distance, the hands can be turned to set the watch.