Elementos del grupo 6 A y 7A by Alejandro Gomez Lopez on Prezi Seiko Prospex SPB157 SPB157J SPB157J1 Baby Alpinist Automatic 24 Jewels Blue Dial Watch. Seiko Prospex Alpinist Japan Divers Watch SPB157J1 SPB157 SPB157J Descriptions: Seiko Prospex Baby Alpinist Series Blue Gradient Dial #SPB157J1 200m Water Resistance Calfskin Strap Curved Sapphire Crystal Analog 3 Hands Display Automatic with Manual Winding Capacity Caliber 6R35 24 Jewels Date Display Stainless Steel Case Accuracy: +25 to 15 Seconds Per Day Anti Reflective Coating on Inner Surface Lumibrite on Hands and Indexes Screw Case Back Screw Down Crown See Through Case Back Stop Second Hand Function Case Diameter: 38mm Case Thickness: 12. 9mm Case Length: 46mm Weight: 85g with Warranty