Seiko Cal. 7131 - 981

The 7131-981 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-5d037c7bd4f6]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1973

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