Seiko Cal. 7178 - 830

The Seiko 7178-830 represents an important milestone in Seiko's 1976 lineup. With its 18mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-5ffd93454e57]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1976

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