Brand: Seiko Reference: 2906-5010 Movement: Seiko Caliber 2906A Type: Automatic (Self-Winding) Jewels: 17 Jewels Beat Rate: 21,600 A/h Functions: Day-Date Dial: Black with Applied Silver Indices Case: Stainless Steel (TV / Cushion Case) Crystal: Acrylic Bracelet: Original Seiko Stainless Steel Bracelet Water Resistance: Water Resistant (Original Rating) Country: Japan Production Period: Mid-1970s Not working, selling as it is.