Seiko Cal. 4591 - 319

The Seiko 4591-319 represents an important milestone in Seiko's 1970 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7a2bdec8a3ec]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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