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. :
Seiko 5 Sports Automatic Japan Made SRPB31 SRPB31J1 SRPB31J Men's Watch
WTS] Seiko Mod "Perfect Compressor" (Based on the rare SRPB31J1) -$475 : r/Watchexchange
SRPB31J1 - SEIKO WATCHES | SINCE 1881
Seiko 5 SRPB31J1 automatic Brand New. SRPB31. Made in Japan, 名牌, 手錶- Carousell