Seiko Cal. 4577 - 522

Seiko 4577-522

This Quartz model from 1966 features a 36mm Titanium case. With its 19mm lug width and 13.3mm profile, it sits comfortably on most wrists. [seikata-wm-b2d72c371d57]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
36mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
26j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1966

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