Seiko Cal. 6643 - 300

The Seiko 6643-300 represents an important milestone in Seiko's 1986 lineup. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-22fe5320bb00]

Also known as: Shogun, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1986

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