Seiko Cal. 6664 - 537

The Seiko 6664-537 represents an important milestone in Seiko's 1966 lineup. With its 19mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-cc8d6b7930fe]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1966

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