Seiko Cal. 6620 - 990

The Seiko 6620-990 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-a2171fd040f6]

Also known as: Pogue, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1969

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