found this in the rafitt link for the 3602 movement it is in the thread I link to but for conversation will link the relevant bit here as well

family/generations:
*) narrow stripes, **) Geneva stripes, ***) no decoration
3602 H= 3.5mm 2nd Watch Factory:
1948-1955: * signatures: 15 jewels, ratchet wheel: Molnia, Salut
1948-1955: ** signatures: 15 jewels, ratchet wheel: Molnia
1955-1963: ** signatures, 15/17 jewels, ratchet wheel: Molnia, Iskra
3602 H= 3.5mm, Chelyabinsk Watch Factory:
1951: * signatures: early logo (with star), 15 jewels
1952-1954: ** signatures: early logo (with star), 15 jewels
1954-1965: ** signatures: new logo (443), 15 jewels
1965-1968: ** signatures: Molnia logo (dial) under balance, 15 jewels
1968: *** signatures: Molnia logo (dial) under balance, 15 jewels
3602: H= 4.65mm Chelyabinsk Watch Factory:
1960- (Fig.1-3): ** cam disc regulator, crown wheel with separate gear for the winding pinion, mounted with 2 screws, cap-jewel settings, heavy balance with 18 screws, signatures: new logo (443), 18 jewels
1965- (Fig.4): ** like above, but signatures: Molnia logo under balance, 18 jewels
1967 (Fig.5): *** else like above
1967- (Fig.6): *** like above, but cap jewels without settings
ca. 1970: *** long regulator lever (no longer cam disc), signatures: Molnia logo under balance or on bridge, 18 jewels
ca. 1970- (Fig.7): *** short regulator lever, signatures: Molnia logo on bridge, 18 jewels
ca. 1975-1984 (Fig.8): *** over all coarser finish, lighter balance with 12 screws to compensate higher friction losses, crown wheel with single gear for winding pinion and ratchet wheel, mounted with one screw, signatures: SU, Molnia logo under balance
1984-1985 (Fig. 9): *** like above, but additional date signature, until now noticed: 84 3 ... 85 3
ca. 1985-2008 (Fig.10-11): *** base plate modified, setting-lever pin instead screw, winding wheels often without sunburst finish, signatures: uncertain, SU and/or Molnia logo under balance
3608: sweep second, base: 3602 H3.5 Chelyabinsk:
1957-1966: *** signatures: like contemporary base movements, but 16 jewels and no calibre signature
3617: chronograph on base movement 3602 H= 3.5mm 2nd Watch Factory:
ca. 1952-1959: *** signatures: like contemporary base movements, but 19 jewels and no calibre signature