Rolex Case Opener Ref. 1, both measures remove: 28.3mm / 29.5mm diameter case back, i.e. suitable for most Rolex sport models.

Great addition to any Rolex accessories collection and handy for checking the Rolex movement during private transactions.

勞力士 1 號開錶匙可開 28.3mm / 29.5mm 直徑底蓋（適合大部份勞力士運動錶款）。

可作收藏或者在交收時檢驗勞力士機芯。