Seiko Cal. 4428 - 731

Seiko 4428-731

The 4428-731 is a sought-after Solar piece from Seiko's golden era. With its 21mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-ae7c3c3c27eb]

Also known as: Monster, Pogue

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
15.4mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1979

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