Seiko Cal. 0721 - 211

The Seiko 0721-211 represents an important milestone in Seiko's 1980 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-3336c13994b9]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1980

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