Seiko Cal. 7170 - 322

The 7170-322 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7170 caliber with 18j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-428c18f8bdbd]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

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