Seiko Cal. 5231 - 290

This Kinetic model from 1972 features a 44mm PVD Black case. Powered by the 5231 caliber with 19j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-ce44f17f1c22]

Also known as: Sumo, Sportsmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1972

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