Seiko Cal. 5642 - 591

The Seiko 5642-591 represents an important milestone in Seiko's 1976 lineup. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-d268156a21d1]

Also known as: Emperor, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1976

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