Reference:1680: Difference between revisions
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<span id="dial-map"></span> | <span id="dial-map"></span> | ||
== Dial map == | == Dial map == | ||
<span id="red-submariner-dials"></span> | <span id="red-submariner-dials"></span> | ||
=== Red Submariner dials === | === Red Submariner dials === | ||
[[File:Ref 1680 dial-marks-comparison.webp|thumb|right|250px|alt=Red Submariner 1680 on period NATO strap|Red Submariner 1680 on period NATO strap]] | |||
[[File:Ref 1680 dial-variant-red-feet-first.webp|thumb|right|220px|alt=Red Submariner dial — feet-first depth rating variant|Red Submariner dial — feet-first depth rating variant]] | [[File:Ref 1680 dial-variant-red-feet-first.webp|thumb|right|220px|alt=Red Submariner dial — feet-first depth rating variant|Red Submariner dial — feet-first depth rating variant]] | ||
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=== White Submariner dials === | === White Submariner dials === | ||
[[File:Ref 1680 dial-detail 2.jpg|thumb|right|250px|alt=Matte white-dial 1680 on the wrist|Matte white-dial 1680 on the wrist]] | |||
[[File:Ref 1680 dial-detail-white.webp|thumb|right|220px|alt=White Submariner dial — all-white text, post-Red era|White Submariner dial — all-white text, post-Red era]] | [[File:Ref 1680 dial-detail-white.webp|thumb|right|220px|alt=White Submariner dial — all-white text, post-Red era|White Submariner dial — all-white text, post-Red era]] | ||
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<span id="case-bezel-crystal-and-crown"></span> | <span id="case-bezel-crystal-and-crown"></span> | ||
== Case, bezel, crystal, and crown == | == Case, bezel, crystal, and crown == | ||
<span id="crown-types"></span> | <span id="crown-types"></span> | ||
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=== Caseback date codes === | === Caseback date codes === | ||
[[File:Ref 1680 caseback.webp|thumb|right|250px|alt=Smooth screw-down caseback|Smooth screw-down caseback]] | |||
From about serial 2M through 3.4M, casebacks were stamped with a production date code on the inside surface. These codes record the quarter and year, beginning at “II 69” (second quarter 1969) and ending at “II 72” (second quarter 1972). Around serial 3M, the practice stopped. All watches from 1973 onward carry no caseback date code. | From about serial 2M through 3.4M, casebacks were stamped with a production date code on the inside surface. These codes record the quarter and year, beginning at “II 69” (second quarter 1969) and ending at “II 72” (second quarter 1972). Around serial 3M, the practice stopped. All watches from 1973 onward carry no caseback date code. | ||