![File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15709660516).jpg - Wikimedia Commons File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15709660516).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/1/16/Vintage_Pulsar_Calculator_Watch%2C_The_First_Calculator_Watch_In_The_World%2C_Case_Made_In_Switzerland%2C_Electronics_Module_Made_In_USA_By_Time_Computer_Inc.%2C_Circa_1975_%2815709660516%29.jpg)
File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15709660516).jpg - Wikimedia Commons
![PULSAR DIGITAL TIME COMPUTER CALCULATOR ORIGINAL BOX PAPERS & PEN STEEL Pulsar "Digital Time Computer Calculator," case No. 722598. Made in 1976. Fine and very rare, large, water-resistant, cushion-shaped, stainless steel LED PULSAR DIGITAL TIME COMPUTER CALCULATOR ORIGINAL BOX PAPERS & PEN STEEL Pulsar "Digital Time Computer Calculator," case No. 722598. Made in 1976. Fine and very rare, large, water-resistant, cushion-shaped, stainless steel LED](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/296/lots/117/117.jpg)
PULSAR DIGITAL TIME COMPUTER CALCULATOR ORIGINAL BOX PAPERS & PEN STEEL Pulsar "Digital Time Computer Calculator," case No. 722598. Made in 1976. Fine and very rare, large, water-resistant, cushion-shaped, stainless steel LED
![File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15547884728).jpg - Wikimedia Commons File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15547884728).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/7/72/Vintage_Pulsar_Calculator_Watch%2C_The_First_Calculator_Watch_In_The_World%2C_Case_Made_In_Switzerland%2C_Electronics_Module_Made_In_USA_By_Time_Computer_Inc.%2C_Circa_1975_%2815547884728%29.jpg)
File:Vintage Pulsar Calculator Watch, The First Calculator Watch In The World, Case Made In Switzerland, Electronics Module Made In USA By Time Computer Inc., Circa 1975 (15547884728).jpg - Wikimedia Commons
![Brian Roemmele on Twitter: "Consider the 1975 Pulsar Calculator Watch. The first calculator watch. It still works in all of its red LED glory. https://t.co/FsJEtXFjI4" / Twitter Brian Roemmele on Twitter: "Consider the 1975 Pulsar Calculator Watch. The first calculator watch. It still works in all of its red LED glory. https://t.co/FsJEtXFjI4" / Twitter](https://pbs.twimg.com/media/FB7g-srVUAENjNA.jpg)
Brian Roemmele on Twitter: "Consider the 1975 Pulsar Calculator Watch. The first calculator watch. It still works in all of its red LED glory. https://t.co/FsJEtXFjI4" / Twitter
![Pulsar Calculator Watch Y739-5019 – Coolest Vintage | Retro watches, Casio vintage watch, Vintage watches Pulsar Calculator Watch Y739-5019 – Coolest Vintage | Retro watches, Casio vintage watch, Vintage watches](https://i.pinimg.com/736x/da/63/57/da63571f9c6cb2511e8f8cae6a83dcec.jpg)
Pulsar Calculator Watch Y739-5019 – Coolest Vintage | Retro watches, Casio vintage watch, Vintage watches
![A Brief History of the Smartwatch – The Geeks and Beats Podcast with Alan Cross and Michael Hainsworth A Brief History of the Smartwatch – The Geeks and Beats Podcast with Alan Cross and Michael Hainsworth](https://i0.wp.com/www.geeksandbeats.com/wp-content/uploads/2016/01/901d_zps08274bfa.jpg?fit=696%2C800&ssl=1)