Seiko Cal. 7171 - 351

The 7171-351 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7171 caliber with 20j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-9ba7282c9e68]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1967

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