Seiko Cal. 6391 - 723

This Solar model from 1987 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-64185fc76db1]

Also known as: Samurai

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1987

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