Seiko Cal. 3817 - 317

This Spring Drive model from 1970 features a 40mm PVD Black case. Powered by the 3817 caliber with 36j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-5571c7db899f]

Also known as: Rally, Goldfeather

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1970

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