Seiko Cal. 5636 - 840

The Seiko 5636-840 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2e404609f3a2]

Also known as: Helmet, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1982

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