Seiko Cal. 7131 - 584

The 7131-584 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-2fbcbd1dae71]

Also known as: Monster, UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1973

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