Sears sold
thousands of guitars every year during the 1960s,
so for one guitar to rise above as the 'most popular,' it really sold a lot.
Such was the case with the 641/1210, a minimal 'redesign' of the 615.
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The 641 was built by Harmony, and was nothing but the
popular 615 with a larger, more 'modern'
pickguard. A year after its introduction, it became the 1210, as Sears switched
it (and every acoustic
Silvertone) from a model number with a '6' prefix to one with a '12'
prefix. There were a few late-era examples of the 1210 with slight cosmetic and other differences,
but the 641/1210 carried on the sunburst mid-range acoustic banner into mid-1969, when the 'pumpkin-colored' 1211 took over.
Introduced:
Fall/Winter 1967 as the 641
Retired:
Spring/Summer 1969 as the 1210