Seiko Cal. 6624 - 266

This Spring Drive model from 1975 features a 42mm Hardlex-Coated Steel case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-c00d5208c571]

Also known as: Sumo, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1975

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