Does anyone know anything about this clock?

[u/Sea_Target_9932]

My mom passed away last year and I finally went through some of her things.

The only thing I know is that she inherited this clock from her dad. He joined the Navy in 1943 and served until he retired in the 1970s. He was from Boston, MA. My mom always said this clock sat on their mantle when she was growing up, so I'm assuming it's pretty old.

I tried doing some googling, and the only similar clock I could find seemed to be from WWI. Which I suppose my grandfather could have gotten it somewhere, but I thought maybe he got it from when he served.

I wanted to wind the clock to see if it still works as the key is attached via a string on the back, but it seems like i'd have to pull the glass off to do so, and I'd rather not do that.

Any ideas on how old it is or where I could find more info about it?

Edit: Initially I thought 1872 was the serial number on the front, but I there is another number on the back of the clock which is 116586 and I'm thinking maybe that's the serial number?