Seiko Cal. 6620 - 109

The Seiko 6620-109 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f083a4e16ffe]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1979

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