Seiko Cal. 4591 - 905

The 4591-905 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0c5b50bcf2cb]

Also known as: Helmet, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1979

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