Seiko Cal. 6645 - 410

The Seiko 6645-410 represents an important milestone in Seiko's 1991 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-2b14f06df02e]

Also known as: Emperor

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1991

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