Seiko Cal. 4587 - 789

The 4587-789 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4587 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-ad5e2d4aa08e]

Also known as: Tuna, Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1982

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