Seiko Cal. 5636 - 641

The Seiko 5636-641 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-160e364fee80]

Also known as: Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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