A hard knock might cause the watch to lose its water-resistance..
Bathing in the sea
Always rinse your watch with water afterwards. Sea water especially affects the colour quality.
Change of battery
n order to prevent damaging the movement, we recommend that you change the battery only at B360°Watch official dealers.
Avoid placing your watch on objects with strong magnetic fields as they can harm your B360°Watch.
Use a toothbrush with soapy water and then a soft cloth for drying.
void extreme temperatures above 60C or 140 F, below -10C or 14F or extreme temperature changes.