Seiko Cal. 4428 - 628

Seiko 4428-628

The 4428-628 is a sought-after Quartz piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-46876b57f2d6]

Also known as: Sea Horse, Flighty

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Green
Jewels
25j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1968

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