Seiko Cal. 4440 - 390

This Solar model from 1970 features a 46mm Stainless Steel case. The Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-f8d908ff128a]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1970

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