BALL Engineer III Ohio Chronometer Watch - 40mm

The H₃ micro gas tubes are designed to glow continuously for up to 25 years without any external power source, such as light or batteries.

Chronometer certification, typically awarded by an official testing institute like COSC, signifies that the watch movement has met high standards of accuracy and performance under various conditions.

Yes, 904L stainless steel contains higher levels of nickel, chromium, molybdenum, and copper, making it exceptionally resistant to corrosion, rust, and acids, and allowing for a higher polish compared to the more common 316L stainless steel.

Yes, the watch has a water resistance rating of 100 meters, making it suitable for swimming and surface water sports. However, it is not recommended for deep diving. Always ensure the crown is screwed down before water exposure.

The watch features a mu-metal shield providing anti-magnetic protection up to 1,000 Gauss (80,000 A/m), protecting the mechanical movement from magnetic interference.

No, the BALL Engineer III Ohio Chronometer is a mechanical watch and is powered by a wound mainspring, not a battery.

Manually wind the watch by turning the crown clockwise 30-40 times. Ensure the crown is fully secured. If the issue persists, the watch may require servicing.

Ensure you are not setting the time between 9 PM and 3 AM, as this can interfere with the date-changing mechanism. Consult the user manual for specific instructions on setting the date and time.

The H₃ micro gas tubes glow continuously without external power. If they are not visible in darkness, it may indicate an issue with the tubes themselves. Contact an authorized service center.

Ensure the crown is pulled out fully to the correct position before attempting to set the time or date. If it feels stiff, do not force it; seek professional assistance to avoid damage.