Seiko Cal. 4550 - 576

Seiko 4550-576

This Automatic model from 1968 features a 41mm Two-Tone case. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-baf2c3cc16d0]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
9.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1968

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