Produced by the KZ Factory in Taiwan, the Longines Master Double Calendar L2.775 is equipped with the original Swiss eta2836-2 automatic mechanical movement (i.e. Longines model Cal.L636.5 movement) that is consistent with the original product. The entire watch accessories are perfectly interchangeable with the original product. 38.5X11mm, 316 stainless steel case and bracelet, sapphire mirror, folding buckle, waterproof to 30 meters (the second best Longines craftsman in the world),