Seiko Cal. 6649 - 818

The Seiko 6649-818 represents an important milestone in Seiko's 1987 lineup. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-e1f174a19fea]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1987

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