Seiko Cal. 7133 - 990

The Seiko 7133-990 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-c284d104c35e]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

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