Seiko Cal. 4542 - 340

This Spring Drive model from 1974 features a 38mm Stainless Steel case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-1d1b7f835bf3]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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