Seiko Cal. 6643 - 103

The Seiko 6643-103 represents an important milestone in Seiko's 1991 lineup. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-770f2eb7c651]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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