Seiko Cal. 7131 - 459

The 7131-459 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7131 caliber with 29j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-ad9c74a43ab8]

Also known as: Sumo, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1989

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