Seiko Cal. 5636 - 722

The 5636-722 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-16962ed97fa3]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1967

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