Luminox NAVY SEAL STEEL Watch - Grey - 45mm

20 ATM (Atmospheres) means the watch is suitable for high-impact water sports and shallow diving. It can withstand pressures equivalent to a depth of 200 meters but is not rated for deep-sea diving.

Quartz watches typically have batteries that last 2-5 years. If the watch stops running or the second hand starts ticking in 2-second intervals, it's a common sign the battery needs replacement.

Mineral glass is moderately scratch-resistant. While it can withstand minor scratches from everyday wear, it is more susceptible to scratching than sapphire crystal.

Yes, the 20 ATM water resistance is suitable for ocean use. However, it's recommended to rinse the watch with fresh water after exposure to saltwater to prevent corrosion and maintain the strap's integrity.

The rubber bracelet is durable, water-resistant, and comfortable, making it ideal for activities where moisture or sweat is present. It also provides a secure fit during physical exertion.

While specific model details might vary, Luminox watches, especially those in the NAVY SEAL series, are typically equipped with Luminox Light Technology for continuous self-powered illumination, ensuring readability in darkness.

Check if the crown is fully pushed in. If it's a quartz watch, the battery may need replacement. If it's automatic and stopped, wind the crown manually.

Ensure you are setting the date between 9 AM and 3 AM to avoid damaging the movement. Consult the manual for specific date-setting procedures for your model.

This indicates a potential breach in water resistance. Do not use the watch in water and have it inspected by a professional watchmaker immediately.

Ensure the crown is pulled out to the correct position for setting time/date. If it feels stiff, do not force it; seek professional assistance.