Seiko Cal. 7144 - 428

This Quartz model from 1977 features a 40mm Titanium case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-d44cc30d63cb]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1977

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