Seiko Cal. 7017 - 326

This Spring Drive model from 1972 features a 39mm Two-Tone case. Powered by the 7017 caliber with 21j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-f5b7f130f800]

Also known as: Helmet, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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