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Bubble Backs: A Guide to Original Rolex Collectors' Watches by Masahiro Endo
The book “Bubble Back” by Masahiro Endo serves as a comprehensive guide to Rolex Bubbleback watches, covering their history, movement specifications, case designs, and dial variations. It highlights the scarcity of reference numbers on these models and emphasizes the importance of understanding detailed characteristics such as case size, materials, and