Seiko Cal. 6231 - 771

This Kinetic model from 1977 features a 42mm PVD Black case. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-ff7f18bac7d1]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

22j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1977

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