Seiko Cal. 7147 - 256

This Spring Drive model from 1989 features a 40mm Gold-Plated case. With its 21mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-8e39b1ddb2d9]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Silver

Jewels

17j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1989

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