Seiko Cal. 7131 - 575

The 7131-575 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5be28700beb5]

Also known as: Sea Horse, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1965

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