Seiko Cal. 5678 - 581

The Seiko 5678-581 represents an important milestone in Seiko's 1974 lineup. Powered by the 5678 caliber with 31j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-61f65dbec45a]

Also known as: Shogun, Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1974

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