![File:Vintage Texas Instruments Series 500 LED Watch, Original Band, Circa 1970s (10073792465).jpg - Wikimedia Commons File:Vintage Texas Instruments Series 500 LED Watch, Original Band, Circa 1970s (10073792465).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/9/9c/Vintage_Texas_Instruments_Series_500_LED_Watch%2C_Original_Band%2C_Circa_1970s_%2810073792465%29.jpg)
File:Vintage Texas Instruments Series 500 LED Watch, Original Band, Circa 1970s (10073792465).jpg - Wikimedia Commons
![File:Vintage Texas Instruments Model TI-500 Men's Digital LED Wristwatch with Red LED Display, Circa 1976, Original Price was $20 (8500945693).jpg - Wikimedia Commons File:Vintage Texas Instruments Model TI-500 Men's Digital LED Wristwatch with Red LED Display, Circa 1976, Original Price was $20 (8500945693).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/7/74/Vintage_Texas_Instruments_Model_TI-500_Men%27s_Digital_LED_Wristwatch_with_Red_LED_Display%2C_Circa_1976%2C_Original_Price_was_%2420_%288500945693%29.jpg/1200px-Vintage_Texas_Instruments_Model_TI-500_Men%27s_Digital_LED_Wristwatch_with_Red_LED_Display%2C_Circa_1976%2C_Original_Price_was_%2420_%288500945693%29.jpg)
File:Vintage Texas Instruments Model TI-500 Men's Digital LED Wristwatch with Red LED Display, Circa 1976, Original Price was $20 (8500945693).jpg - Wikimedia Commons
![File:Vintage Texas Instruments Series 500 LED Watch, Original Swiss-Made Band, Red LED Display, Circa 1970s (38411680204).jpg - Wikimedia Commons File:Vintage Texas Instruments Series 500 LED Watch, Original Swiss-Made Band, Red LED Display, Circa 1970s (38411680204).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/8/85/Vintage_Texas_Instruments_Series_500_LED_Watch%2C_Original_Swiss-Made_Band%2C_Red_LED_Display%2C_Circa_1970s_%2838411680204%29.jpg)
File:Vintage Texas Instruments Series 500 LED Watch, Original Swiss-Made Band, Red LED Display, Circa 1970s (38411680204).jpg - Wikimedia Commons
![File:Vintage Texas Instruments Men's LED Watch with Red Display, Circa 1970s (8700458456).jpg - Wikimedia Commons File:Vintage Texas Instruments Men's LED Watch with Red Display, Circa 1970s (8700458456).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/25/Vintage_Texas_Instruments_Men%27s_LED_Watch_with_Red_Display%2C_Circa_1970s_%288700458456%29.jpg)