Seiko Cal. 5639 - 788

The Seiko 5639-788 represents an important milestone in Seiko's 1991 lineup. The Bidirectional bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-e4b0e6517b9a]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1991

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