Two Zulu straps.
One is a 20mm 5 ring Black and Grey "MI-6", AKA "Bond" style. It is known as the "Bond" watch strap because Roger Moore wore one like this on a Seiko 7a28 in one of the movies. I bought it for my 7a28 when I found the Maratac silicon watch band irritating my wrist; unfortunately, this monster is 1mm thick, and would simply not fit. (I ordered a two-piece Zulu strap, mission accomplished.)
Very high quality strap, it just wouldn't work with the watch I wanted to put it on.
Also, a 2mm 3 ring in P-F.com's semi-official colors. Hardware is a high-polish, which I find aesthetically less pleasing on this color combination than black PVD. No black PVD-finish straps were available anywhere when I ordered it; I wore it twice and then found one I preferred, so I'm throwing this in.