Seiko Cal. 6317 - 851

The 6317-851 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6317 caliber with 30j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-20215349d271]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1986

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