Seiko Cal. 4521 - 561

The Seiko 4521-561 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-7a429ea2c0d9]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1988

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