Seiko Cal. 6321 - 516

This Spring Drive model from 1991 features a 44mm PVD Black case. With its 22mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-c5855531dee9]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1991

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