Seiko Cal. 7158 - 637

Seiko 7158-637

This Quartz model from 1974 features a 37mm Titanium case. With its 19mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-0d2d4a05ac39]

Also known as: Monster, Sportsmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
10.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Cream
Jewels
29j
Frequency
36,000 bph
Power Reserve
62 hours
Year
1974

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