Seiko Cal. 0728 - 689

This Quartz model from 1979 features a 35mm PVD Black case. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-47e4eabf9f84]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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