Seiko Cal. 6317 - 475

The Seiko 6317-475 represents an important milestone in Seiko's 1987 lineup. With its 21mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-5a8825f50592]

Also known as: Sumo, Crown

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1987

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