Seiko Cal. 5678 - 620

The Seiko 5678-620 represents an important milestone in Seiko's 1998 lineup. With its 20mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-39bf07b4af97]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

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