In Pictures: Groovy 1970s consumer tech

The 1970s played host to an explosion in consumer electronics gadgets that changed how we educate, entertain, calculate, and communicate.

Watches

Electronic digital wristwatches first emerged in 1972 priced at $2100 (the equivalent of $11,387 today), but by the end of the decade, they would regularly retail for under $10. The first watch, the Hamilton Pulsar P2, shipped in an 18K gold frame with a battery-hungry red LED display that became visible only when you pushed a button. By 1976, Texas Instruments sold LED watches with plastic bands for $20 apiece. LCD watches, with their far more power-efficient displays, overtook LED models in popularity by the end of the decade. The cheapest LCD watch on this page (#3) from a 1977 Sears catalog sold for $70.

Credit: Sears

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