Seiko Cal. 6642 - 139

The Seiko 6642-139 represents an important milestone in Seiko's 1984 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-9065e874922c]

Also known as: Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1984

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