Huger Sensor Master digital watch with altimeter and thermometer

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)

Vintage Bowmar Electronic Digital Watch, Red LED Display, Original Band, Assembled In Canada, Circa 1970s (39376235954)

Vintage Bowmar Electronic Digital Watch, Red LED Display, Original Band, Assembled In Canada, Circa 1970s (28306723939)

Barometer