Seiko Cal. 6643 - 380

The Seiko 6643-380 represents an important milestone in Seiko's 1982 lineup. With its 18mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-584751b4ddb8]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1982

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