Seiko Cal. 5663 - 843

This Quartz model from 1982 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-ca0786650898]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1982

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