Seiko Cal. 7157 - 428

Released in 1979, the Cal. 7157 with design code 428 was part of Seiko's domestic market collection. With its 19mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-ff38dcf6e657]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1979

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