Seiko Cal. 6620 - 963

The 6620-963 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f18d27de4fa9]

Also known as: Helmet, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

13.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1966

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