Seiko Cal. 6317 - 421

The Seiko 6317-421 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-390fa9af1695]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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