Seiko Cal. 4428 - 923

Seiko 4428-923

The 4428-923 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-95cbe832d24b]

Also known as: Monster, Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Silver
Jewels
26j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1988

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