Seiko Cal. 3870 - 312

The Seiko 3870-312 represents an important milestone in Seiko's 1967 lineup. With its 19mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-954651e4651d]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1967

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