Seiko Cal. 4591 - 504

The Seiko 4591-504 represents an important milestone in Seiko's 1967 lineup. Powered by the 4591 caliber with 17j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-88593e2502dd]

Also known as: Arnie, Flighty

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1967

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