Seiko Cal. 4428 - 862

Seiko 4428-862

The Seiko 4428-862 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-238d316f5eef]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
100m
Dial Color
Green
Jewels
29j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1973

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