Seiko Cal. 6321 - 811

The Seiko 6321-811 represents an important milestone in Seiko's 1970 lineup. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-9bd47d626b3b]

Also known as: Helmet, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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