All cameras come with 6 months warranty.
The Pentax S1a is a fully mechanical camera. This means it does not require batteries to operate the shutter.
It uses M42 screw mount lenses. This particular model comes with the uniquely designed Auto-Takumar lens. It requires you to manually cock to lens before each shot for you to be able to compose with the lens wide open.
The Pentax S1a is a beautiful full-mechanical antique camera. It is the precursor to the famous Pentax Spotmatic series. The S1a is a well built and reliable camera. They are a great system for beginners, as good M42 lenses are easy to find and quite affordable.
Want to try before you buy? All cameras available online are also available in store for you to have a feel.