Seiko Cal. 6646 - 259

This Spring Drive model from 1988 features a 44mm Gold-Plated case. With its 19mm lug width and 14.3mm profile, it sits comfortably on most wrists. [seikata-wm-2b7e72dca83f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

14.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1988

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