The newer style is water "resistant" in that they sealed up the pivot point and battery cover with an o-ring.
But, I salute you sir for owning one..........
Mine is faster and handles better, 82SC Guards Red Thermapen!.
YES I'd be lost without mine too, so handy for many things, even room temp, or fish tank temp, or what-ever instant temp you need.
Another new Temp Toy of mine, and actually matches my thermapen within 1 degree. This is fun to have:
Non-Contact Laser Thermometer
I'll have to compare meat surface temp with the laser against the thermapen, haven't tried that yet.