Seiko Cal. 5640 - 582

The Seiko 5640-582 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9b20ecc2466e]

Also known as: Shogun, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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