Seiko Cal. 6391 - 320

This Solar model from 1987 features a 34mm PVD Black case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d728ca50c18d]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1987

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