Seiko Cal. 7139 - 528

This Quartz model from 1998 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-82ea885f63d2]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1998

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