Seiko Cal. 7157 - 515

The Seiko 7157-515 represents an important milestone in Seiko's 1977 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-dded7a5e06f3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1977

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