Seiko Cal. 3847 - 634

The Seiko 3847-634 represents an important milestone in Seiko's 1984 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-394d34606674]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1984

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