Seiko Cal. 7158 - 377

This Spring Drive model from 1973 features a 40mm Titanium case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-87af0cc39308]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1973

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