Seiko Cal. 7166 - 571

The 7166-571 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-678bf5aacb44]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1965

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