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. :
Đồng Hồ Nam Seiko 5 Sport SRPB31J1 Authentic ⋆ NiceWatch
Seiko 5 Sports Automatic Japan Made SRPB31 SRPB31J1 SRPB31J Men's Watch Singapore
Seiko 5 Automatic Black Dial Men's Watch SRPB31J1 4954628214010 - Watches, Other - Jomashop
SOLD: Seiko Mod "Perfect Compressor" (SRPB31J1) | WatchUSeek Watch Forums
Seiko 5 Sports SRPB31 compressor SRPB31J1 made in Japan. | WatchUSeek Watch Forums
SRPB31J1 SRPB31J SRPB31 Brand New Seiko 5 Sports Automatic 100m Day Date 100% Original Black Dial Luminous Hands Markers Gents Watch w/ Warranty, Mobile Phones & Gadgets, Wearables & Smart Watches on Carousell
WTS] Seiko Mod "Perfect Compressor" (Based on the rare SRPB31J1) -$475 : r/Watchexchange