Seiko Cal. 3871 - 326

The 3871-326 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3871 caliber with 27j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-d7435ce2fb5b]

Also known as: Arnie, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1975

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