Hasselblad Leather Case m42 The date back requires a

The date back requires a CR2025 battery (not included) and presciently only counts dates up to 2019

so you set the aperture and the camera sets the shutter speed

Not bad at all

a locking knob

Hasselblad Leather Case m42 The date back requires aThis Hasselblad leather case is weathered: it's got some surface wear, some staining, some scuffs here and there and the specifically Hasselblad holding brackets inside have been removed, leaving some glue residue. Yeah, it's a fixer upper. But it looks cool, the leather is still pretty supple, and it comes with a neat little key that locks the front pocket (and only the front pocket). It's not perfect, but it's a functional case, whether you use it