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. :
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SRPB31j1] Seiko 5 with 4R36 movement and Uncle strap. : r/JapaneseWatches