Seiko Cal. 6621 - 578

This Quartz model from 1989 features a 34mm PVD Black case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-2e846efb42ba]

Also known as: Tuna, Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1989

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