Seiko Cal. 7177 - 206

The Seiko 7177-206 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-33c2b4bef9d0]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1974

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