Seiko Cal. 6317 - 704

The Seiko 6317-704 represents an important milestone in Seiko's 1981 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0449757e7c07]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1981

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