Seiko Cal. 7131 - 240

This Automatic model from 1989 features a 45mm PVD Black case. The Inner Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-8157e5e44551]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

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