Seiko Cal. 6231 - 257

This Kinetic model from 1977 features a 41mm PVD Black case. With its 19mm lug width and 8.3mm profile, it sits comfortably on most wrists. [seikata-wm-acf90b2d094c]

Also known as: Helmet, Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1977

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