Seiko Cal. 7131 - 300

Released in 1982, the Cal. 7131 with design code 300 was part of Seiko's domestic market collection. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f5ce8ce7affd]

Also known as: Rally, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1982

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