Seiko Cal. 6635 - 179

This Hand-Winding model from 1980 features a 35mm Stainless Steel case. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-5242343aff3f]

Also known as: Turtle, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1980

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