Seiko Cal. 0721 - 338

The Seiko 0721-338 represents an important milestone in Seiko's 1986 lineup. With its 21mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-1ed9bea31049]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1986

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