Seiko Cal. 4591 - 346

The Seiko 4591-346 represents an important milestone in Seiko's 1967 lineup. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-204f4051b40c]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1967

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