Seiko Cal. 3864 - 987

The Seiko 3864-987 represents an important milestone in Seiko's 1968 lineup. With its 20mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-b8e33554cb2d]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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