Seiko Cal. 3871 - 326

Seiko 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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