Watch maintenance can only be conducted by authorized service center.
腕表保养仅可由授权维修服务中心进行。
Most manufacturers recommend divers to have their diving watch pressure tested by an authorized service and repair facility annually or every two to three years and have the seals replaced.
大局部的制造商建议潜水员到授权机构停止潜水表压力测试并且每年或两到三年修缮一次潜水表的零件，以及改换密封件。
Most manufacturers recommend divers to have their diving watch pressure tested by an authorized service and repair facility annually or every two to three years and have the seals replaced.
大局部的制造商建议潜水员到授权机构停止潜水表压力测试并且每年或两到三年修缮一次潜水表的零件，以及改换密封件。
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