Seiko Cal. 6166 - 555

The 6166-555 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-fadfe49316ae]

Also known as: Tuna, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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