Seiko Cal. 4428 - 475

Seiko 4428-475

The 4428-475 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ae68530c766f]

Also known as: Silverwave

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
12.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1980

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