Baume & Mercier Riviera

I am interested in a Vintage Speedmaster - a pre moon ideally. This is for 2 reasons - I want something genuine which from what little I have read means getting something from approx 1965 the Pre-Professional 105.003 Ed White watch. There are other models - the 105.012 and 145.012, but the 105.003 is what I understand to be 'the grail watch'. The second reason is what attracted me to the Speedmaster is its link to Space exploration. I intend to wear the watch on a fairly regular basis - once a ........

April, June, and November...so, for those of you with date-function watches, how do you set the date at the end of a 28 / 29 / 30 day month? Do you...=> Reset the date to 1 on the first day of the next month?=> Advance the date wheel to 31 on the last day of the month, then let it roll over naturally?=> Something else entirely?Personally, I'm partial to the second method, to get that little task out of the way. Yeah, I had to spend all day yesterday with my trusty old Sandoz swearing ........