手表是高精密仪器，因此有必要对它进行定期检查，替换磨损严重的部件，并更换机油。只要腕表的走时开始出现明显变化，建议您将其交托给维修服务进行全面维修保养服务。 Also differing from other versions in the gathering is definitely the watch’s minute observe, which characteristics round the edge of the dial in contrast to the interior segment of the dial. - 机芯保养：完全拆卸、检测所有部件、更... https://pierres119yrk4.wikihearsay.com/user