Casio Temperature Sensor TS-150

We've been having unseasonably warm temperatures here this weekend, so i found a nice retro thermometer watch for today's post.

The watch in question is the Casio TS-150 from the mid/late 80s (the module date setting starts at 1985, but some sources state a 1989 release). The TS-150 was the Japanese version of the TS-100 watch and only shows temperature in Celsius). You can plainly see the metal sensor under the display, and there is a bar across the top of the LCD that shows the temperature reading. The watch is quite collectable, and relatively hard to find, especially if you want one with the lettering still in place on the front.

It uses an 851 module and has a few other tricks up it's sleeve than just temperature measurement. It has world time, along with temperatures for the cities, alarm (x5), timer (up to 24hr in 1 second increments), and stopwatch functions. To show the world functions, there is a map in the top left with an LCD overlay showing the time zone being used. Next to the map is a small 2 line LCD area which has the day and date, and the top line can also show the temperature and shows which mode you are in (-that line is also an array of dots). The main time is shown on a standard 6 digit LCD display.