Seiko V821-0840 Watch Guide The Seiko V821-0840 is a watch model based on the V821 movement.Other models with the same movementV821-0100V821-0110V821-0120V821-0130V821-0140V821-0190V821-0200V821-0210V821-0220V821-0230V821-0240V821-0250V821-0260V821-0270V821-0280V821-0290V821-0360V821-0370V821-0380V821-0410V821-0420V821-0440V821-0460V821-0470V821-0530V821-0550V821-0660V821-0670V821-0680V821-0700V821-0710V821-0750V821-0770V821-0780V821-0790V821-0800V821-0810V821-0850V821-0860V821-0870V821-0920V821-0930V821-0970V821-0A10V821-0A20V821-0A30V821-0A40V821-0A50V821-1000V821-1020V821-1060V821-1070V821-1130V821-1140V821-1150V821-1160V821-1170V821-1200V821-5000V821-5010V821-5020V821-5030V821-5080V821-5120V821-5130V821-X001