Tbh I thought all the f300’s came with the one generic-to-type stubby hands-set, which this definitely isn’t.
If it works, and you like it, then grab it if the price is right.
As mentioned above, do check the date wheel. They break teeth.
If humming but not working there’s a few possible causes, of which a dead coil is a common cause.
Repairing these is specialised but Paul at electric-watches.uk and Rob Berkavicius in Thailand are two of the best. However there’s a few people on here who can recommend others to talk to in the USA and Europe