Seiko Cal. 7131 - 647

The 7131-647 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-a1a71d360afc]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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