Seiko Cal. 6643 - 122

This Automatic model from 1987 features a 44mm PVD Black case. With its 22mm lug width and 11.0mm profile, it sits comfortably on most wrists. [seikata-wm-0815cd31f09c]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1987

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