Seiko Cal. 7139 - 587

This Quartz model from 1970 features a 42mm Titanium case. With its 22mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-3a0c772b1e43]

Also known as: Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

42mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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