Rolex silver 1-506 GMT watch black dial

1.What is the difference between a "Swiss Movement" and "Japan Movement" watches?
"Swiss Movement", Swiss made 25 jewels 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", 25 jewels 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 GMT replica watch. 440 Solid Stainless Steel case. Top Quality Japanese/Swiss Automatic movement. Date indicator. FOURTH hand indicating the Greenwich Mean Time. Unidirectional rotating bezel, screw down crown. Black face. 440 Solid Stainless 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.