Seiko Cal. 7020 - 640

The 7020-640 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-49f1707d1df0]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1979

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