It is said that it was made for women and other people with smaller hands. It ended up as a great knife for small game like hare, ptarmigan or as a great "survival knife" in the mushroom basket together with a firesteel and a whistle.
There are six known variations of this knife.
WM1 VG10
It started off with the pure VG10 as usual.Picture
In the early days there were a coated version, that surfaces from time to time on internet auctions.
.. and 200 numbered with micarta handles.
WM1 Lam VG10
Eventually the WM1 too got laminated.Picture
WM1 3G
You can now also buy it in 3G.Picture
In the beginning you could choose from three different sheaths.
The leather sheath that looked really cute.
See above.
The neck kydex sheath.
Picture
The belt kydex sheath.
Picture
Nowadays they are all extinct and there is only the Zytel sheath.
Picture
Like all the "early" knifes there was a bare blade, but it is also extinct.
Picture
So far in the series
F1
A1
S1
H1