Seiko Cal. 6381 - 550

This Solar model from 1976 features a 34mm Hardlex-Coated Steel case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3ca1ecfbe1ba]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

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