Seiko Cal. 4590 - 231

The Seiko 4590-231 represents an important milestone in Seiko's 1987 lineup. Powered by the 4590 caliber with 19j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-307be3abfd7e]

Also known as: Pogue

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

19j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1987

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