Seiko V231-5120 Watch Guide The Seiko V231-5120 is a watch model based on the V231 movement.Parts ListES8W49LN00crystal35M85NN1crownOther models with the same movementV231-0010V231-0020V231-0030V231-0040V231-0060V231-0070V231-0090V231-009AV231-009BV231-009CV231-5000V231-5010V231-5020V231-5030V231-5040V231-5050V231-5060V231-5070V231-5080V231-5090V231-5100V231-5110V231-5130V231-5140V231-5150V231-5160V231-5170V231-5180V231-5190V231-5200V231-5210V231-521AV231-5220V231-5230V231-523AV231-5240V231-5250V231-5260