Seiko Cal. 6620 - 621

Seiko 6620-621

This Spring Drive model from 1971 features a 35mm Gold-Plated case. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-d5279f3180ba]

Also known as: Silverwave, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
26j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1971

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seikata-wm-d5279f3180ba