Seiko Cal. 3827 - 557

This Spring Drive model from 1969 features a 36mm PVD Black case. With its 18mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-e9215e4bbf02]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1969

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