Watch part
In 1926 Rolex for the first time introduced a patented system of a waterproof watch under the name “Oyster” , where the crown of the watch was screwed into the watch case. Thereby a much higher water resistance of the watch was attained.
© Watch Wiki. All texts are protected by copyright. The respective copyright holders are the signatories of the contributions. For details see Impressum. Regarding objections and complaints (copyright and other rights) also see there. Impressum | Privacy Policy | Copyright | About Watch Wiki