Seiko Cal. 6317 - 351

This Spring Drive model from 1991 features a 39mm Gold-Plated case. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-3fa0027514e7]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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