Seiko 1400-8420 Watch Guide The Seiko 1400-8420 is a watch model based on the 1400 movement.Parts ListSACN55JN00crystal - crystalCaliber 1400Other models with the same movement1400-00201400-00291400-00301400-00401400-00491400-00791400-00801400-00891400-01101400-01301400-01391400-01401400-01491400-01711400-02101400-02201400-02301400-02501400-02591400-02601400-03601400-03801400-03901400-04001400-04091400-04101400-04201400-04291400-04401400-04501400-04591400-04601400-04701400-04791400-04801400-05001400-05201400-05701400-05791400-05801400-05891400-05901400-06391400-06491400-06591400-06701400-07501400-07601400-08101400-08201400-08391400-08481400-08491400-08581400-08591400-08891400-09001400-09091400-09101400-09201400-09391400-10701400-11001400-11101400-11201400-112A1400-11401400-11491400-11901400-50301400-50391400-50401400-50501400-50591400-50601400-50701400-50801400-50891400-50901400-50991400-52191400-523A1400-523H1400-524B1400-524F1400-52501400-52511400-52581400-52591400-52611400-52691400-52701400-52801400-53001400-53091400-53101400-53191400-53201400-53291400-53301400-53391400-53401400-53491400-53501400-53601400-53701400-53801400-54201400-54291400-54301400-54601400-54801400-54901400-54991400-55001400-55101400-55201400-55291400-55301400-55401400-55701400-55801400-55891400-56691400-57201400-57901400-58101400-58801400-58811400-59301400-60001400-60091400-60101400-60191400-60301400-60311400-60401400-60491400-60501400-61101400-61201400-61291400-61301400-61391400-61401400-61501400-61591400-61601400-61801400-62091400-64101400-64501400-64701400-65091400-65101400-65291400-65491400-65601400-65691400-65701400-65791400-65991400-66091400-66191400-66891400-66991400-67091400-67191400-67291400-67391400-67491400-67591400-68191400-69201400-69301400-69311400-69601400-69801400-70401400-70491400-71401400-71501400-71601400-71701400-71801400-71991400-72081400-72091400-72191400-72291400-72391400-72491400-72591400-73501400-73701400-73791400-73801400-73891400-73901400-73991400-74201400-74301400-74901400-75001400-75201400-75301400-753A1400-75401400-75501400-75991400-76301400-76691400-77101400-79501400-80191400-80291400-80301400-80391400-80691400-80701400-80801400-80891400-80901400-80991400-81091400-81101400-81201400-81301400-81401400-81491400-82001400-82101400-82301400-82401400-82601400-82701400-82801400-83501400-837A1400-83801400-83901400-84001400-84101400-841A1400-841B1400-84401400-84701400-84801400-84901400-85001400-8510