Seiko Cal. 6658 - 596

This Spring Drive model from 1971 features a 43mm Stainless Steel case. With its 18mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-2ae5941da31e]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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