Do you have a question about the Xiamen NORTH EDGE and is the answer not in the manual?
Automatic watches draw energy from an oscillating weight, with a power reserve of 36-40 hours.
Mechanical watch accuracy varies; AMOY watches have an average tolerance of -20/+40 seconds per day.
Avoid sudden temperature changes or extreme temperatures (over 60°C/140°F or below 0°C/32°F).
Do not expose the watch to intense magnetic fields from devices like speakers, phones, or computers.
Avoid thermal shocks or impacts as they can harm the watch. Seek professional check-up after strong impacts.
Prevent contact with solvents, detergents, perfumes, or cosmetics, as they can damage the watch.