Seiko Cal. 3830 - 491

The Seiko 3830-491 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-73df4b22f3a1]

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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