Seiko Cal. 6627 - 748

The Seiko 6627-748 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-1a316e42a01c]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1985

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