Seiko Cal. 4477 - 730

Seiko 4477-730

This Automatic model from 1988 features a 40mm PVD Black case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-b67a4878c3fa]

Also known as: Sumo, Sea Horse

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
40mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Green
Jewels
27j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1988

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