By TLex The Mario Paci SMZ or 'sommozzatore' (scuba diver) was designed and built by Ennebi of Prato, Italy for Mario Paci Watches & Straps, also of Italy who have the exclusive rights for its sale. The SMZ which is a kind of hybrid FONDALE and 1950 has really cool crown locking devise. It is water-resistant to 1000meters . . .