I am stumped, anyone?

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I can't read the name on the dial your pictures are so small.
Any markings on movement? under balance wheel?
Looks to be stop watch?

no - seems Spanish. we need Gerald to wake up!!

Good morning !

Andy

A pocket chronograph , swiss made for the russian market ca 1900
Trader in Russia was Pavel Bure (Paul Buhre). He was from switzerland and became famous in Russia. He had stores in St Petersburg and Moscow. He imported swiss watches from various makers.
The given example was likely made by Le Coultre and finished by Staufer.
Remarlable is the 60 minute register runing counter-clockwise.
The case is silver: it has the swiss exportmark (standing bear) and the russian marks for its fineness.

Regards
Gerald

thank you my European encyclopedia! The only thing I cannot figure out is how to make the chronograph part function? there's just depends that which is for the time the crown does not going to meet it's locked up?

Sorry I totally overlooked the two missing chrono- wheels !
The chrono should have been a crown-pusher.

Gerald