Seiko Cal. 7178 - 815

This Solar model from 1977 features a 44mm Gold-Plated case. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-6ede211c662f]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1977

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