Seiko Cal. 4587 - 541

The Seiko 4587-541 represents an important milestone in Seiko's 1977 lineup. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-b1a4a11765c1]

Also known as: Bullhead, Silverwave

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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