BLWRX43mm Men's Diver Japanese Automatic Professional Diver Extension Buckle 1000m Stainless Steel Watch

What brand of movement does this watch have? japanese movement nh35 like others or china movement?

Whats the movement?

It says import duty, buyer pays, what is that cost? It says it is fulfilled by amazon, meaning it is stateside.

Is the black model dlc coated? What is the lug to lug measurement?