Seiko Cal. 4556 - 347

This Spring Drive model from 1966 features a 38mm PVD Black case. With its 19mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-0b7f1d140457]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1966

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