Seiko Cal. 6620 - 660

This Spring Drive model from 1982 features a 35mm Hardlex-Coated Steel case. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-701e51865fd2]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1982

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