Picked this up on ebay this week and from someone in the US, most of these are sold by sellers from India, with repainted dials. Not sure how original mine might be, looks to have a new crown. Kind of a butterface watch, Twin power movement. Any thoughts.

Movement.

Case back.

what is

quote:

Twin power movement

Has 2 mainsprings, for some reason, no clue why or how they work together.