Seiko Cal. 7163 - 504

This Spring Drive model from 1977 features a 41mm Hardlex-Coated Steel case. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-732616aef26c]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1977

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