Seiko Cal. 6626 - 637

Released in 1989, the Cal. 6626 with design code 637 was part of Seiko's domestic market collection. With its 18mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-fcd6ad058129]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Champagne

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1989

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