Seiko Cal. 6648 - 742

This Quartz model from 1985 features a 40mm PVD Black case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-c829db04c3aa]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1985

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