Seiko Cal. 3820 - 728

This Solar model from 1974 features a 42mm Stainless Steel case. The Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e5a03c931375]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

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