Seiko Cal. 6658 - 594

This Spring Drive model from 1976 features a 41mm Hardlex-Coated Steel case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-630c9d8f46cf]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1976

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