high watch 41mm precision durable automatic movement stainless steel waterproof luminous mechanical watch, Slivery;brown

3.error:the error of the mechanical watch is within 24 hours and 30 seconds, which belongs to the normal error range 4.adjust the calendar: please do not actively adjust the calendar between 22.00~2.00, this may cause damage to the movement 5.anti-magnetic: please do a little bit about places with strong magnetic properties (such as microwave ovens, refrigerators and other household appliances). a small part of the watch is magnetized.syi