Seiko Cal. 6639 - 377

This Solar model from 1977 features a 41mm PVD Black case. With its 22mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-3108a611de5b]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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