Seiko Cal. 5674 - 397

This Spring Drive model from 1987 features a 45mm PVD Black case. With its 21mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-11dafda8a9ff]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1987

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