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20mm Crafter Blue - Black Rubber Curved Lug Watch Band for Seiko Sumo SBDC001, PVD Black Buckle – 太空人腕時計TW
20mm Plain Black Silicone Strap on PVD Black Deployant Clasp for Sport Watch on Seiko Sumo SBDC001 #Seiko #seikolover… | Seiko diver, Vintage watches, Seiko watches
First Gen Seiko Sumo SBDC001: Worth Servicing? - YouTube