Seiko Cal. 4577 - 363

Seiko 4577-363

The Seiko 4577-363 represents an important milestone in Seiko's 1973 lineup. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-4e37e013fe21]

Also known as: Bullhead, Flighty

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
14.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1973

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