WTS] Seiko Mod "Perfect Compressor" (SRPB31J1) : r/Watchexchange
SRPB31j1] Retro vibes from a somewhat overlooked model. 4R36 hacking and hand-winding, 100m WR., 42.5mm diameter. A great summer/ beach/ casual watch. Lume is a bit disappointing, but that's the only negative. :