Seiko Cal. 7028 - 603

Seiko 7028-603

Released in 1971, the Cal. 7028 with design code 603 was part of Seiko's domestic market collection. The Inner Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a722a6e11caa]

Also known as: Helmet, Flighty

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
14.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1971

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