Seiko Cal. 6620 - 963

Seiko 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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