Seiko Cal. 5639 - 326

This Solar model from 1975 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-4f7243b1c072]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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