Seiko Cal. 4591 - 863

The Seiko 4591-863 represents an important milestone in Seiko's 1990 lineup. Powered by the 4591 caliber with 29j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-f2cb7ab10b19]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1990

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