Seiko Cal. 3879 - 918

This Spring Drive model from 1973 features a 39mm Two-Tone case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-6f2456eecbce]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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