Seiko Cal. 0731 - 517

The 0731-517 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0731 caliber with 19j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-da8fe2661eb2]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1970

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