Seiko Cal. 6635 - 128

This Hand-Winding model from 1990 features a 35mm Stainless Steel case. With its 20mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-f5c285187507]

Also known as: UFO, Flighty

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1990

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