Seiko Cal. 6635 - 683

This Spring Drive model from 1989 features a 44mm Stainless Steel case. With its 19mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-25fae135fbc6]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1989

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