I found all three of my Sony Walkmans on the walkman.land website.
WM-F10: my first Walkman, received when I was maybe eight years old. My parents really went for it! This was a high-quality, tiny cassette player with a built-in FM radio receiver (which I absolutely used). The build of this device was particularly clever, as the writeup notes:
Iconic expandable Sony walkman model, with manual FM radio tuner. … With no room in the main body of the machine, all the radio equipment had to be mounted in the cassette door. … The only control on the radio part of the WM-F10 was the tuning wheel (complete with a miniature scale and cord drive). Switching between radio and tape required an extra switch to be fitted to the main machine, next to those for tape type and Dolby NR. The Dolby switch was given an extra function as a control for the sensitivity of the radio (local/DX), though little was receivable in the “local” position.
In addition to the size, the sound quality was excellent. It had a toggle for chrome cassettes as well as a Dolby noise reduction option. Even though I was young, I knew I had a fancy-pants Walkman, with its slide-open cassette compartment. I quickly discovered the joys of portable, crystal-clear in-ear audio.
WM-F77: my replacement for the first Walkman, after the F10 developed a tendency to whir slowly into action when I pressed play. (I was sad.) I was around 13 at this point, and knew enough to ask for another metal Walkman, and not a more common plastic model, which my parents obliged. This was a much more physically substantial gadget than my first one, which was a brief disappointment, but it was a much more durable design. It too had the chrome and Dolby switches, which I absolutely used, as I had become a low-grade audiophile and teenage music pirate. It also had auto-reverse.
WM-F701c: for no good reason, I became obsessed with Sony’s two tenth-anniversary, ultra-low-profile Walkman designs. I don’t recall if I had this model or the sleeker WM-701c, but I’m pretty sure I opted for the model with a radio. It was gorgeous, if less of a workhorse than the 77.
After that, I had a (metal) Discman, which took me through college, so for a good 15 years I relied on Sony devices for portable audio. I loved every one.
