Seiko Y101-5039 Watch Guide The Seiko Y101-5039 is a watch model based on the Y101 movement.Parts ListSA8N66GN00crystal35M98NA1crown35M98NS1crownOther models with the same movementY101-5009Y101-5019Y101-5029Y101-5080Y101-5100Y101-5129Y101-5149Y101-5159Y101-5170Y101-518AY101-5199Y101-5209Y101-5260Y101-5300Y101-5329Y101-5339Y101-5390Y101-5400Y101-5410Y101-5420Y101-5430Y101-5440Y101-5459Y101-5460Y101-546AY101-5470Y101-5490Y101-549AY101-5519Y101-5520Y101-5530Y101-5560Y101-5570Y101-5580Y101-5590Y101-5609Y101-6000Y101-6010Y101-6030Y101-6040Y101-6060Y101-6070Y101-607AY101-607BY101-6080Y101-608AY101-6100Y101-6110Y101-6120Y101-6139Y101-6150Y101-6160Y101-7000Y101-7019Y101-7020Y101-8000Y101-8019