Seiko Cal. 7030 - 640

Seiko 7030-640

The 7030-640 is a sought-after Kinetic piece from Seiko's golden era. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-928e6ba44be6]

Also known as: Helmet, Arnie

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
100m
Dial Color
Cream
Jewels
24j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1977

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