Seiko Cal. 3828 - 784

This Spring Drive model from 1971 features a 42mm Two-Tone case. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-7e69ab495c22]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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