Seiko Cal. 7180 - 977

The Seiko 7180-977 represents an important milestone in Seiko's 1976 lineup. With its 21mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-7fafd6a63a89]

Also known as: Bullhead, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1976

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