Seiko Cal. 6663 - 496

This Spring Drive model from 1988 features a 35mm Titanium case. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-fceafaa62ace]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1988

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