1.What is the different between a "Swiss Movement" and "Japan Movement" watches?
"Swiss Movement", Swiss made Titonic ETA automatic movement (This engine is used for Rado watches and many swiss brand name watches)Sapphire crystal glass for better protection on the face.
"Japan Movement", Miyota automatic movement from Japan

2. How do you know it is swiss movement?
Screw the back of the watch, you will watch the manufacturer.

Rolex Submariner replica watch. 14k Gold plated steel case. Green Hologram Sticker behind the Watch. Bracelet Band linked together by Screws which can Easily be Adjusted to Fit all Wrist Sizes. Top Quality Japanese/Swiss Automatic movement. Date indicator. Unidirectional rotating bezel, screw down crown. 14k Gold plated steel bracelet band. Double locking security clasp. All Correct Markings and Engravings Exactly like the Authentics. Mineral crystal glass face - Resists Scratches Much Better than regular glass. Smooth Sweeping seconds hand. Exact weight to the Authentics. Strong construction. Water-Resistant. Not waterproof - We Do Not Recommend you to swim with the watch on.