Seiko Cal. 6231 - 579

This Quartz model from 1989 features a 39mm PVD Black case. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-1a6312efd9ee]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1989

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