Seiko Cal. 4521 - 811

Released in 1972, the Cal. 4521 with design code 811 was part of Seiko's domestic market collection. With its 21mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-27c1fd40ba07]

Also known as: Shogun, Panda

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1972

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