Seiko Cal. 6686 - 557

This Solar model from 1978 features a 36mm PVD Black case. With its 19mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-32451780f50b]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1978

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