Seiko Cal. 3874 - 121

This Automatic model from 1971 features a 42mm PVD Black case. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8ff2ebaf6ee3]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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