Seiko Cal. 5664 - 137

The Seiko 5664-137 represents an important milestone in Seiko's 1986 lineup. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-14b3aab006ce]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1986

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