Seiko Cal. 6642 - 764

The Seiko 6642-764 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-10a0faa090c8]

Also known as: Panda, Arnie

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1969

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