Seiko Cal. 4531 - 989

This Hand-Winding model from 1984 features a 36mm Stainless Steel case. With its 21mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-3b93ef37db90]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1984

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