Seiko Cal. 3847 - 409

Seiko 3847-409

The 3847-409 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3847 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-c19eea2a36b0]

Also known as: Sumo, Pogue

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
34mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Burgundy
Jewels
35j
Frequency
36,000 bph
Power Reserve
66 hours
Year
1983

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