SEIKO 2517B Seiko 2517B automatic sweep second date: quickset by repeated pulling and pushing the crown 7.75”’ Dm= 17.20mm H= 5.85mm 17/21 jewels f = 19800 A/h power reserve 48h family: Seiko 2501: base Seiko 2505: date Seiko 2517: date, quick set Related posts: SEIKO 2501A SEIKO 2505A SEIKO 2517A