Seiko Cal. 4428 - 131

Seiko 4428-131

The 4428-131 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-20fd420f00e7]

Also known as: Rally, Silverwave

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
39mm
Case Thickness
12.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1975

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