Seiko Cal. 3856 - 839

The Seiko 3856-839 represents an important milestone in Seiko's 1978 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-cd0fa0f9216f]

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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