Seiko Cal. 4428 - 177

Seiko 4428-177

The 4428-177 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-2418c7685863]

Also known as: World Timer, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
12.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
180m
Dial Color
Navy
Jewels
23j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1981

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seikata-wm-2418c7685863