Seiko Cal. 7178 - 606

The Seiko 7178-606 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e12aef971162]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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