Seiko 1104-3380 Watch Guide The Seiko 1104-3380 is a watch model based on the 1104 movement.Parts ListSA2N87AN00crystal45D01NA1crown45D01NS1crownCaliber 1104Other models with the same movement1104-003J1104-00601104-01001104-01101104-01801104-01901104-02001104-02011104-02491104-02501104-02591104-02601104-02701104-02801104-02901104-03001104-03101104-03201104-03301104-03401104-034A1104-034B1104-03501104-035A1104-035B1104-03701104-03801104-03901104-04001104-04101104-30501104-31401104-31501104-31611104-31901104-32001104-32201104-32301104-32401104-32501104-33501104-33601104-33701104-34091104-34191104-34291104-34391104-34401104-50001104-50101104-50201104-50301104-50401104-50501104-50601104-50701104-50801104-50901104-51001104-51101104-51201104-51301104-51401104-51801104-70011104-70401104-70501104-71201104-71301104-7140