Seiko Cal. 7157 - 806

The Seiko 7157-806 represents an important milestone in Seiko's 1976 lineup. It features a Black dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-392265315c30]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

25j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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