Seiko Cal. 5647 - 836

The Seiko 5647-836 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-fd207355ed99]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1977

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