Seiko Cal. 5231 - 444

This Kinetic model from 1973 features a 34mm Hardlex-Coated Steel case. Powered by the 5231 caliber with 26j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-7d1b663a89fa]

Also known as: Monster, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1973

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