Seiko Cal. 5636 - 817

The Seiko 5636-817 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-b52d7fb4ce71]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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