Seiko Cal. 4521 - 820

The Seiko 4521-820 represents an important milestone in Seiko's 1990 lineup. With its 18mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-a3bc11805886]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

24j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1990

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