Seiko Cal. 7028 - 637

Seiko 7028-637

The 7028-637 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-5e4a8cebefb7]

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
43mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Champagne
Jewels
27j
Frequency
28,800 bph
Power Reserve
70 hours
Year
1977

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