某宝上卡森自动机械表T085.407.26.13.00 2600元，国际联保2年，是否值得购买,是库存表，<br style="word-wrap: break-word; margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: Tahoma, ''Microsoft Yahei'', Simsun;"><br style="word-wrap: break-word; margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: Tahoma, ''Microsoft Yahei'', Simsun;">另外怎么知道这手表大概的生产日期<br style="word-wrap: break-word; margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: Tahoma, ''Microsoft Yahei'', Simsun;">