Seiko Cal. 5221 - 187

Released in 1986, the Cal. 5221 with design code 187 was part of Seiko's domestic market collection. With its 19mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-41efa760bb08]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1986

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