Reference:16520: Difference between revisions
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Add crown/pusher image from verified Sotheby's Zenith-Daytona lot (image coverage pass) |
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The Triplock crown seals on three rubber gaskets, one more than the older Twinlock. The chronograph pushers are screw-down, locked to prevent accidental actuation. The screw-down pusher concept carries over from the 6240 / 6263 / 6265 lineage and is the original reason the Daytona case earned the Oyster designation. | The Triplock crown seals on three rubber gaskets, one more than the older Twinlock. The chronograph pushers are screw-down, locked to prevent accidental actuation. The screw-down pusher concept carries over from the 6240 / 6263 / 6265 lineage and is the original reason the Daytona case earned the Oyster designation. | ||
[[File:Ref 16520 crown.webp|thumb|right|280px|alt=Rolex Cosmograph Daytona 16520 case flank showing the Triplock crown and screw-down pushers|Case flank of a black-dial 16520, Triplock crown and screw-down chronograph pushers]] | |||
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