Seiko Cal. 6157 - 557

This Spring Drive model from 1983 features a 42mm Stainless Steel case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e311b46690b6]

Also known as: Helmet, Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1983

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