M038.431.11.097.00 Mido Multifort Chronometer Watch Caliber Mido Caliber 80 COSC Si (based on ETA C07.821. Automatic watch and transparent back. The Multifort Chronometer watch is equipped with an exclusive Caliber 80 automatic movement enhanced with silicone technology. Remarkably precise and durable, it features the Geneva stripes that are specific to the collection. The watch is completed with a graduated bezel and a more refined look thanks to its satin-finished indexes and hands. Its special caseback has an integrated and engraved tab. M038.431.11.097.00 Mido Multifort Chronometer Watch Caliber Mido Caliber 80 COSC Si (ETA C07.821 base. Automatic watch and transparent caseback. The Multifort Chronometer watch is equipped with an exclusive Caliber 80 automatic movement enhanced with silicone technology. Remarkably precise and resistant, it features the Geneva stripes that are specific to the collection. The watch is completed with a graduated bezel and a more refined look thanks to its satin-brushed indices and hands. Its special caseback has an integrated and engraved tab. The Multifort M chronometer with a movement tested and certified by the COSC (Contrôle Officiel Suisse des Chronomètres). This model is distinguished by its exceptional quality, far beyond the standards. Its Caliber 80, with a power reserve of up to 80 hours, is equipped with a silicon hairspring, an unflappable factor of precision. The characteristic round indices, coated with beige Super-LumiNova , offer optimal legibility against the darker background, vertical and graduated satin finish. Waterproof to 100 m and equipped with a bracelet that offers the convenience of changing \in a click\", without instruments.