Seiko Cal. 3879 - 386

This Spring Drive model from 1970 features a 36mm Stainless Steel case. With its 22mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-a37825092d1d]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1970

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