Seiko Cal. 6636 - 884

This Solar model from 1970 features a 38mm PVD Black case. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-afc5e1ff6c53]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1970

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