Seiko Cal. 4586 - 991

The Seiko 4586-991 represents an important milestone in Seiko's 1972 lineup. Powered by the 4586 caliber with 19j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-82710afbf4a3]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1972

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