Seiko Cal. 6620 - 540

The Seiko 6620-540 represents an important milestone in Seiko's 1965 lineup. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-466663e9ab27]

Also known as: Rally, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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