Series 903
The traveling companion you can always rely on. Featuring perfect orientation in space and time as well as the most important arithmetic functions.
![](https://www.sinn.de/out/pictures/ddmedia/gravity/SINN_Website_HERO_903StBEII_6521_fb_2560x1440_Aktuell.jpg?width=640&height=360&quality=100)
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Models