Seiko Cal. 4428 - 728

Seiko 4428-728

The 4428-728 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-3984bc3a05e3]

Also known as: Arnie

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
44mm
Case Thickness
11.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1998

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