Seiko Cal. 6632 - 563

The Seiko 6632-563 represents an important milestone in Seiko's 1994 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-a945637de93f]

Also known as: Sumo, Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1994

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