Seiko Cal. 7131 - 104

The Seiko 7131-104 represents an important milestone in Seiko's 1993 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d9ba29bb13de]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1993

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