Seiko Cal. 7139 - 590

The 7139-590 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-afd7ece94aed]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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