Seiko Cal. 4587 - 791

The 4587-791 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4587 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-e2501682420b]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Champagne

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1986

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