Seiko Cal. 7020 - 641

The Seiko 7020-641 represents an important milestone in Seiko's 1992 lineup. Powered by the 7020 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-3d9073a38de5]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1992

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