Seiko Cal. 6317 - 345

This Spring Drive model from 1976 features a 37mm Titanium case. Powered by the 6317 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-fc8b2b8b6a32]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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