Seiko Cal. 7157 - 319

This Quartz model from 1986 features a 40mm Two-Tone case. Powered by the 7157 caliber with 28j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-ee78ea1ae49c]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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