To operate a chronograph, first, start the chronograph by pressing the top button to start the timing function. Press the same button again to stop the timing. To reset the chronograph, press the bottom button. Some chronographs may have additional features such as a tachymeter or a subdial for measuring elapsed time. It's important to refer to the specific instructions for your chronograph model to fully understand its operation. **

Yes, the Diesel Chronograph DZ7395 is genuine. Diesel is a well-known and reputable brand in the fashion industry, and the DZ7395 model is a popular and widely recognized design. To ensure authenticity, it is recommended to purchase from authorized retailers or the official Diesel website. Additionally, checking for key features such as the logo, serial number, and overall quality can help confirm the authenticity of the watch. **

There could be several reasons why a chronograph watch is not starting. It could be due to a dead battery, a malfunctioning movement, or a problem with the chronograph pushers. It is also possible that the watch is not properly wound or that the hands are stuck. It is recommended to have the watch inspected by a professional watchmaker to diagnose and fix the issue. **

The chronograph running fast could be due to a variety of reasons, such as a mechanical issue with the movement, improper calibration, or even magnetization of the watch. Additionally, if the chronograph has not been serviced or maintained regularly, it could lead to inaccuracies in timekeeping. It is important to have the watch inspected by a professional watchmaker to diagnose and address the issue properly. **

A chronograph watch needs a battery to power the quartz movement that drives the timekeeping functions of the watch. The battery provides the necessary energy to keep the watch running accurately and maintain the various complications such as the stopwatch feature in a chronograph watch. Without a battery, the watch would not be able to function properly and keep time accurately. **

The additional displays on a chronograph are used to provide additional information and functionality. For example, the subdials on a chronograph can display the elapsed minutes and hours, allowing the user to track the passage of time. Some chronographs also have a tachymeter scale, which can be used to measure speed based on time and distance. Additionally, some chronographs have a date display, allowing the user to quickly reference the current date. These additional displays enhance the versatility and usefulness of the chronograph as a timekeeping tool. **

To correctly set a chronograph watch, start by ensuring the watch is fully charged or has a new battery. Next, pull the crown out to the time-setting position and adjust the time and date if necessary. To use the chronograph function, press the top button to start and stop the stopwatch, and the bottom button to reset it. Make sure to read the watch's manual for specific instructions on setting the chronograph function for your particular model. **

A defective chronograph is a timepiece that has a malfunction in its chronograph function, which is used for measuring and displaying time intervals. This malfunction can manifest in various ways, such as the chronograph hands not resetting to zero properly, the buttons not functioning correctly, or the chronograph not starting or stopping as intended. A defective chronograph can impact the accuracy and reliability of the watch's timekeeping and timing functions. **