Seiko Cal. 7028 - 821

Seiko 7028-821

The 7028-821 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-dbcb8e4fabeb]

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
41mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1978

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