Seiko Cal. 0718 - 157

This Spring Drive model from 1979 features a 37mm Two-Tone case. With its 21mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-15947a592121]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1979

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