Seiko Cal. 7131 - 583

The 7131-583 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7131 caliber with 24j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-b6334e8f8614]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1998

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