Seiko Cal. 6665 - 143

The Seiko 6665-143 represents an important milestone in Seiko's 1998 lineup. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-ec6f84d621e4]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

30j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1998

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