Seiko Cal. 6647 - 843

This Spring Drive model from 1999 features a 39mm Titanium case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-f08ad70025b2]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

39mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1999

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