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From the Duncan line, the Hendrix Set, Scooped Strat, Antiquity II Surfer, and the plain old SSL-1 cover the 1950's to 1960's Strat pickups accurately. Surprisingly, the Hendrix set might be closer to what the 1950's pickups were; Formvar wire, A5, all the same wind and output, no RWRP.
There's an 'average' spec chart that's circulated the internet, based on disassembling/repairing old Fender pickups, that might provide some insight for a recipe to look for based on the year you are targeting.
All 42 gauge Formvar wire until 1964 then plain enamel started to be used.
All winds were top left, top going.
Magnet polarity changed from North to South in 1960
Magnets were Alnico 3 until somewhere between mid 1955 to late 1956 (depending on your source) then became Alnico 5
1954 5.76k 7956 turns
1955 5.89k 7844 turns
1956 5.98k 8012 turns
1957 6.02k 8105 turns
1958 6.20k 8350 turns
1959 5.95k 7925 turns
1960 6.33k 8293 turns
1961 6.19k 8119 turns
1962 6.22k 8220 turns
1963 6.37k 8319 turns
1964 6.25k 7980 turns