Seiko Cal. 6317 - 221

This Automatic model from 1979 features a 45mm PVD Black case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-7225af8ecf3b]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1979

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