Seiko Cal. 6166 - 681

This Spring Drive model from 1979 features a 41mm Hardlex-Coated Steel case. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-00ead3c1f144]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

31j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1979

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