In general, revolvers are not intended to be taken apart for routine cleaning and maintenance. I would strongly suggest that you contact a qualified gunsmith for assistance if needed. They are MUCH easier to take apart than to put back together again.
50-230
No published sn data
No sn data avail
175 USD
No known data.
50-200 or so
fair brand new
$200 in new condition, $150 if it looks a little worn.
200-300 USD
Best left to a good gunsmith
No published sn data; 50-280 USD
For normal cleaning, it is not necessary. A detail strip can be done by a gunsmith. If you have an armorer's manual you can attempt it yourself. I don't know of any that are online that don't require purchase.