Seiko Cal. 7178 - 590

Seiko 7178-590

This Spring Drive model from 1966 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-6a74e78ca4e9]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
90m
Dial Color
White
Jewels
33j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1966

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