Seiko Cal. 3887 - 678

The Seiko 3887-678 represents an important milestone in Seiko's 1967 lineup. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-87d4997bae81]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1967

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