Seiko Cal. 4421 - 357

This Solar model from 1981 features a 39mm Titanium case. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d383c73544cb]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1981

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