Seiko Cal. 7028 - 638

Seiko 7028-638

The 7028-638 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-13684d12a239]

Also known as: Tuna, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
27j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1985

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seikata-wm-13684d12a239