Seiko Cal. 6693 - 647

Released in 1991, the Cal. 6693 with design code 647 was part of Seiko's domestic market collection. With its 21mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-5bff3aaa08d1]

Also known as: Monster, UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1991

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