Seiko Cal. 4428 - 520

Seiko 4428-520

The Seiko 4428-520 represents an important milestone in Seiko's 1973 lineup. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-0d5f8c14289d]

Also known as: Turtle

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
46mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1973

Related Models

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