Set of 2 books: GMT Mania & Submania Both purchased new. Please refrain from purchasing if you are sensitive to initial imperfections such as those that may occur during display in bookstores. I will take measures to prevent folding and water damage when shipping. -------------------------------------------------- [GMT Mania Book Overview] Watchfan.com Permanent Preservation Edition Rolex 2023 SUMMER (GEIBUN MOOKS) [Special Feature] Rolex GMT Master, which is attracting attention with the announcement of a model for left-handers and the revival of yellow gold and yellow Rolesor models. This special feature focuses on the GMT Master and provides detailed explanations of each model. It covers everything from the latest current models to discontinued and vintage models, including rare first-generation gold models and jewelry models. Furthermore, information is updated based on the latest research results and market data for vintage models. The 2023 edition of "GMT Mania." [Submania Book Overview] Watchfan.com Permanent Preservation Edition Rolex 2022 SUMMER This issue features a special "Submania" issue that analyzes the "Rolex Submariner" in detail. It covers everything from vintage to the latest current models, and significantly revises the "Submania" published in 2017, which was well-received. It includes the latest Submariner models renewed in 2020, as well as solid gold & combination models that were not included in the previous issue. It features the "Green Sub," which has been attracting attention in recent years, and delves into the dial. The 2022 edition of "Submania" also updates the latest research results and information. Rolex Mook Book