Can anyone identify this timer/stopwatch? Could it possibly date from …

I’m really intrigued about this pocket watch timer (see attachments) – I suspect it was made pre-1880 due to the fact that it has the words “Fine Silver” on the inside of the case and that the Crown is in the sidewinder position. I’m thinking it may even date back to the 1860s? It has the…

https://mb.nawcc.org/threads/can-anyone-identify-this-timer-stopwatch-could-it-possibly-date-from-between-1860-to-1880.207464/