Seiko Cal. 5231 - 780

This Kinetic model from 1976 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-4d5ceb064cbf]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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