Seiko Cal. 4578 - 520

Seiko 4578-520

This Quartz model from 1966 features a 45mm Titanium case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-8ffb680e82f9]

Also known as: Sumo, Goldfeather

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
45mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
17j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1966

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