Seiko Cal. 3861 - 556

The Seiko 3861-556 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-40e51fc1114b]

Also known as: Rally, Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1968

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