Seiko Cal. 4591 - 503

The 4591-503 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4591 caliber with 29j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-a3a72b944a7d]

Also known as: Bullhead, World Timer

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1980

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