Seiko Cal. 4428 - 393

Seiko 4428-393

The 4428-393 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-fffe357973c8]

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
13.9mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
30j
Frequency
36,000 bph
Power Reserve
36 hours
Year
1981

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