Seiko Cal. 7020 - 404

The 7020-404 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7020 caliber with 20j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-5b64b8f994b8]

Also known as: Silverwave, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1966

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