Seiko Cal. 7021 - 250

This Solar model from 1977 features a 43mm Stainless Steel case. Powered by the 7021 caliber with 21j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-6044efb0d56a]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1977

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