Seiko W309-5070 Watch Guide The Seiko W309-5070 is a watch model based on the W309 movement.Parts ListES7W64LN01crystalOther models with the same movementW309-4009W309-4029W309-4030W309-4040W309-4050W309-4060W309-4090W309-4110W309-4130W309-4180W309-4190W309-4200W309-4210W309-4224W309-4A00W309-4A10W309-4A20W309-4A30W309-5009W309-5010W309-5020W309-5059W309-505FW309-505HW309-5069W309-5080W309-5100