Seiko Cal. 3879 - 961

Seiko 3879-961

The 3879-961 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3879 caliber with 18j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-63c4c7ece56a]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1974

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seikata-wm-63c4c7ece56a