Seiko Cal. 4521 - 906

The Seiko 4521-906 represents an important milestone in Seiko's 1983 lineup. With its 22mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-d0cc611d11b2]

Also known as: Bullhead, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

36mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1983

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