Seiko Cal. 6634 - 642

This Solar model from 1967 features a 36mm PVD Black case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-00276642d76e]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1967

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