6x the water resistance, half the price of a new Breitling Navitimer, and back to the classic outer sliderule bezel (no extra crown at 10 o'clock). This might be the best Sinn yet! I compare the just released Sinn 903 St models to the current and vintage Breitling Navitimers, including my own.

Check out the new releases here:
https://www.watchbuys.com/store/pc/si...

As always, my reviews are unsponsored.