Seiko Cal. 5677 - 728

This Automatic model from 1980 features a 41mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-333f048cc7a3]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1980

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