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http://hardcopy.en.softonic.com/
| 9 years ago. Rating: 2 | |
Bubbleback refers to the round domed caseback of these early automatic Rolex watches. Rolex introduced its link first link automatic "perpetual" movement in 1931. The first Bubbleback came in 1933 with a bulging link caseback to make space for those new 360-degree winding rotors. I won't explore the entire history of the automatic wristwatch but the legendary David Boettcher has written about the Harwood self-winding watch and precursors to the Rolex Perpetual.
| 9 months ago. Rating: 0 | |
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