|Westclox||Ben Style 2||"De Luxe" or not||The first Big Ben and Baby Ben Style 2 say "De Luxe" on the dial. During 1930, "De Luxe" was removed.|
|Westclox||Baby Ben Style 6||Back||Early backs have PAT. PDG, later ones don't.|
|Westclox||Baby Ben Style 6||Base||The lettering, and some are cut-out and some are solid.|
|Westclox||Baby Ben Style 6||Base Cavity Number||Lettering "1 A", "2 A" "5 A" or "6 A", or a number 1 through 7 have been observed on the bottom of the bases. Max Schlenker said these are "cavity numbers" to identify the cavity used to cast the base.|
|Westclox||Baby Ben Style 6||Dial||The font of the name "Westclox"|
|Westclox||Baby Ben Style 6||Movement Material||Nickel plated or brass plates with blue steel bridges.|
|Westclox||Baby Ben Style 5||Back||Various U.S. and international patent numbers were stamped on the backs.|
|Westclox||Baby Ben Style 5||Back Material||Most Baby Ben style 5 clocks have a steel back. A few have brass or aluminum back.|
|Westclox||Baby Ben Style 5||Base||Two base types were used, with various cavity numbers and auxiliary lettering.|
|Westclox||Baby Ben Style 5||Base Cavity Number||Lettering "1 A" or "2 A" have been observed on the bottom of the bases. Max Schlenker said these are "cavity numbers" to identify the cavity used to cast the base.|
|Westclox||Baby Ben Style 5||Dial||Ivory Style 5 Baby Ben luminous dials were brown-banded at first, and were solid brown starting ca. mid-1948.|
|Westclox||Baby Ben Style 5||Movement Material||Most movements are nickel plated, some during WWII are not.|
|Westclox||Baby Ben Style 5||Paint color||Paint color of the style 5 Baby Ben Gun Metal clock.
Early (pre-war): the metallic coat is over the black base coat. Smoother surface.
Late ((post-war): Metallic paint all the way through. Slightly more speckled surface.
Those with back type 4 are unusual - the bezels have the early type paint, and the backs are noticeably more black - very slightly metallic.|
|Westclox||Baby Ben Style 4||Back Material||Most Ivory Style 4 Baby Bens have a steel back which is copper plated then brass plated. A few late ones have a back which is nickel plated then lacquered pale gold.|
|Westclox||Baby Ben Style 4||Base||Very early style 4 Baby Bens say "61L" on the base, most say "61N".|
|Westclox||Baby Ben Style 4||Base Bottom Color||Most Style 4 Baby Ben bases are painted gold on the bottom. Starting in 1937, some are painted the same as the case. Gold bottom bases have a brass nut in the center. Ivory and Gun Metal bottom bases have a nickel nut in the center. Some of the Ivory and Gun Metal bottom bases have a plated outside edge (like the gold bottom bases), others are un-plated.|
|Westclox||Baby Ben Style 4||Base Cavity Number||Lettering "1", "2", or "3" has been observed on the bottom of the bases on the left or right side. Max Schlenker said these are "cavity numbers" to identify the cavity used to cast the base.|
|Westclox||Baby Ben Style 4||Lettering at Bottom of Dial||The "A" in "MADE IN U.S.A." has either a dot or a dash after it. Early ones have a dot. This applies only to non-luminous dials with "MADE BY WESTERN CLOCK CO., . . . " at the bottom of the dial.|
|Westclox||Baby Ben Style 4||Trip Staff Nut||Long or short nut on trip staff. Early examples have a long nut, and a correspondingly shorter alarm set knob.|
|Westclox||Baby Ben Style 4||Width of "BABY BEN" on Made by Westclox dial||The very earliest "Made by Westclox" dials have the name "BABY BEN" the same width as "Westclox" below the center. Most have "BABY BEN" wider than "Westclox".|