Moonwatch Only The Ultimate OMEGA Speedmaster Guide, 3rd edition

Moonwatch Only The Ultimate OMEGA Speedmaster Guide, 3rd edition The major focus of this work concerns the identification of historical Speedmaster models from standard production, in an era when there were often variations in the constituent parts of a watch. Having observed that these numerous evolutions could occur independently of a change in reference number, the authors established an original nomenclature for this entire set of elements. Classifying and describing them represented a fundamental prior step toward providing a comprehensive and detailed presentation of the models.