Seiko Cal. 6641 - 147

The Seiko 6641-147 represents an important milestone in Seiko's 1988 lineup. With its 20mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-69df46c4c001]

Also known as: Sportsmatic

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

36mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1988

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