Seiko Cal. 6620 - 709

This Hand-Winding model from 1990 features a 34mm Hardlex-Coated Steel case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-59f91f0c234f]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1990

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