Seiko Cal. 4587 - 577

The 4587-577 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4587 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a91849352594]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1987

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