Seiko Cal. 3864 - 715

The Seiko 3864-715 represents an important milestone in Seiko's 1975 lineup. With its 22mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-1e2e4c1011b5]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

32j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1975

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