Seiko Cal. 7166 - 520

The 7166-520 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7166 caliber with 34j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-916ab8f3a822]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1967

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