Seiko Cal. 4428 - 666

Seiko 4428-666

The 4428-666 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 8.1mm profile, it sits comfortably on most wrists. [seikata-wm-cd6020668bc4]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
8.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1974

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