Seiko Cal. 7158 - 634

This Hand-Winding model from 1966 features a 34mm Hardlex-Coated Steel case. With its 18mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-974de518d6c7]

Also known as: Navigator, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1966

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