Seiko Cal. 7117 - 381

The Seiko 7117-381 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-ee4c83632f2a]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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