Seiko Cal. 7164 - 639

The Seiko 7164-639 represents an important milestone in Seiko's 1973 lineup. With its 22mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-8a21019a25eb]

Also known as: Monster, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1973

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