Rolex Explorer II 16570 Black Dial Box and Paper Set valet-tray creating enough internal pressure to

creating enough internal pressure to force the acrylic crystal from the watch

On the right side we have an very unusual crown - in what we believe is lapis lazuli stone

Ein absolutes Unikat und so nicht noch einmal zu finden

it also benefits from the updated quickset movement

Rolex Explorer II 16570 Black Dial Box and Paper Set valet-tray creating enough internal pressure toThe Rolex Explorer II was introduced in 1971 as a highly specialised tool watch for speleologists (cave explorers) and polar adventurers. In environments where natural daylight disappearsor never setskeeping track of day and night becomes surprisingly difficult. To solve this, Rolex equipped the Explorer II with a fixed 24 hour bezel and a bold 24 hour hand, allowing the wearer to distinguish AM from PM at a glance. Although it was a slow seller in