Seiko Cal. 6317 - 857

The Seiko 6317-857 represents an important milestone in Seiko's 1991 lineup. Powered by the 6317 caliber with 21j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-79db2e16ab36]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1991

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