This is the SD1971 which pays tribute to the Sumo Diver watch.There are a few theories as to how the Sumo got its name but one interesting one is that the marker at 12 looks like the "mawashi" worn by Japanese Sumo wrestlers during a match.This is lovely looking watch with real presence and benefits from the following spec:
2020 Brand New modelSapphire Crystal GlassNH35 Automatic Movement120 Click Rotational Ceramic Bezel200m Water ResistanceScrewdown CrownScrewback Case316L Stainless Steel CaseStainless Steel Strap with extra Rubber StrapHacking MovementC3 Luminova on the face
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