Seiko Cal. 7180 - 866

The 7180-866 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7180 caliber with 17j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-19e26c5b756b]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1991

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