Seiko Cal. 7117 - 147

The 7117-147 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7117 caliber with 17j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-211fff77bef0]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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