Seiko Cal. 3856 - 663

The Seiko 3856-663 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-39d803ab0d39]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1978

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