Seiko Cal. 5636 - 581

The Seiko 5636-581 represents an important milestone in Seiko's 1982 lineup. Powered by the 5636 caliber with 36j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-f8fa72bc229b]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1982

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